257455344720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 960

約数和(自身を含む): 1016190959616

約数和(自身を除く): 758735614896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 31, 35, 37, 40, 42, 46, 48, 56, 60, 62, 69, 70, 74, 80, 84, 92, 93, 105, 111, 112, 115, 120, 124, 138, 140, 148, 155, 157, 161, 168, 184, 185, 186, 210, 217, 222, 230, 240, 248, 259, 276, 280, 296, 310, 314, 322, 336, 345, 368, 370, 372, 420, 434, 444, 460, 465, 471, 483, 496, 518, 552, 555, 560, 592, 620, 628, 644, 651, 690, 713, 740, 744, 777, 785, 805, 840, 851, 868, 888, 920, 930, 942, 966, 1036, 1085, 1099, 1104, 1110, 1147, 1240, 1256, 1288, 1295, 1302, 1369, 1380, 1426, 1480, 1488, 1554, 1570, 1610, 1680, 1702, 1736, 1776, 1840, 1860, 1884, 1932, 2072, 2139, 2170, 2198, 2220, 2294, 2355, 2415, 2480, 2512, 2553, 2576, 2590, 2604, 2738, 2760, 2852, 2960, 3108, 3140, 3220, 3255, 3297, 3404, 3441, 3472, 3565, 3611, 3720, 3768, 3864, 3885, 4107, 4144, 4255, 4278, 4340, 4396, 4440, 4588, 4710, 4830, 4867, 4991, 5106, 5180, 5208, 5476, 5495, 5520, 5704, 5735, 5809, 5957, 6216, 6280, 6440, 6510, 6594, 6808, 6845, 6882, 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2022160, 2037072, 2044140, 2110480, 2137712, 2149330, 2160948, 2204090, 2216004, 2238820, 2299920, 2350761, 2376584, 2439780, 2518960, 2521106, 2546340, 2579196, 2644908, 2672140, 2686584, 2701185, 2725520, 2770005, 2805747, 2881264, 2928291, 2954672, 2970730, 3009062, 3033240, 3134348, 3165720, 3206568, 3223995, 3253040, 3306135, 3358230, 3395120, 3438928, 3526544, 3564876, 3601580, 3693340, 3740996, 3778440, 3781659, 3904388, 3917935, 4008210, 4088280, 4141817, 4298660, 4321896, 4408180, 4432008, 4456095, 4477640, 4513593, 4676245, 4701522, 4753168, 4879560, 4880485, 4943459, 5042212, 5092680, 5158392, 5289816, 5344280, 5373168, 5402370, 5540010, 5611494, 5856582, 5941460, 6018124, 6066480, 6268696, 6302765, 6331440, 6413136, 6447990, 6612270, 6662923, 6716460, 6832679, 7129752, 7203160, 7386680, 7481992, 7522655, 7556880, 7563318, 7808776, 7835870, 8016420, 8176560, 8283634, 8597320, 8643792, 8816360, 8864016, 8912190, 8955280, 9027186, 9352490, 9403044, 9759120, 9760970, 9886918, 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58565820, 59321508, 60181240, 60506544, 62127255, 62686960, 66269072, 66629230, 68326790, 69208426, 71297520, 72217488, 74151885, 74819920, 75633180, 78087760, 79095344, 79955076, 81992148, 82836340, 86978157, 90271860, 93280922, 94030440, 98869180, 99403608, 99943845, 100844240, 102490185, 103812639, 106606768, 109322864, 112229880, 115970876, 117131640, 118643016, 120362480, 124254510, 133258460, 136653580, 138416852, 139921383, 144963595, 148303770, 151266360, 153247229, 159910152, 163984296, 165672680, 173021065, 173956314, 180543720, 186561844, 188060880, 197738360, 198807216, 199887690, 204980370, 207625278, 224459760, 231941752, 233202305, 234263280, 237286032, 248509020, 266516920, 273307160, 276833704, 279842766, 289927190, 296607540, 302532720, 306494458, 319820304, 327968592, 331345360, 346042130, 347912628, 361087440, 373123688, 395476720, 399775380, 409960740, 415250556, 434890785, 459741687, 463883504, 466404610, 497018040, 519063195, 533033840, 546614320, 553667408, 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約数ペア:

[(1, 257455344720), (2, 128727672360), (3, 85818448240), (4, 64363836180), (5, 51491068944), (6, 42909224120), (7, 36779334960), (8, 32181918090), (10, 25745534472), (12, 21454612060), (14, 18389667480), (15, 17163689648), (16, 16090959045), (20, 12872767236), (21, 12259778320), (23, 11193710640), (24, 10727306030), (28, 9194833740), (30, 8581844824), (31, 8305011120), (35, 7355866992), (37, 6958252560), (40, 6436383618), (42, 6129889160), (46, 5596855320), (48, 5363653015), (56, 4597416870), (60, 4290922412), (62, 4152505560), (69, 3731236880), (70, 3677933496), (74, 3479126280), (80, 3218191809), (84, 3064944580), (92, 2798427660), (93, 2768337040), (105, 2451955664), (111, 2319417520), (112, 2298708435), (115, 2238742128), (120, 2145461206), (124, 2076252780), (138, 1865618440), (140, 1838966748), (148, 1739563140), (155, 1661002224), (157, 1639842960), (161, 1599101520), (168, 1532472290), (184, 1399213830), (185, 1391650512), (186, 1384168520), (210, 1225977832), (217, 1186430160), (222, 1159708760), (230, 1119371064), (240, 1072730603), (248, 1038126390), (259, 994036080), (276, 932809220), (280, 919483374), (296, 869781570), (310, 830501112), (314, 819921480), (322, 799550760), (336, 766236145), (345, 746247376), (368, 699606915), (370, 695825256), (372, 692084260), (420, 612988916), (434, 593215080), (444, 579854380), (460, 559685532), (465, 553667408), (471, 546614320), (483, 533033840), (496, 519063195), (518, 497018040), (552, 466404610), (555, 463883504), (560, 459741687), (592, 434890785), (620, 415250556), (628, 409960740), (644, 399775380), (651, 395476720), (690, 373123688), (713, 361087440), (740, 347912628), (744, 346042130), (777, 331345360), (785, 327968592), (805, 319820304), (840, 306494458), (851, 302532720), (868, 296607540), (888, 289927190), (920, 279842766), (930, 276833704), (942, 273307160), (966, 266516920), (1036, 248509020), (1085, 237286032), (1099, 234263280), (1104, 233202305), (1110, 231941752), (1147, 224459760), 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(131880, 1952194), (131905, 1951824), (133607, 1926960), (136276, 1889220), (137640, 1870498), (139416, 1846670), (142968, 1800790), (143745, 1791056), (144440, 1782438), (146010, 1763272), (149730, 1719464), (151662, 1697560), (153328, 1679115), (157435, 1635312), (158286, 1626520), (160580, 1603284), (162652, 1582860), (164280, 1567174), (169756, 1516620), (170345, 1511376), (171120, 1504531), (173328, 1485365), (174270, 1477336), (178710, 1440632), (180079, 1429680), (184667, 1394160), (188922, 1362760), (191660, 1343292), (192696, 1336070), (194680, 1322454), (199640, 1289598), (202216, 1273170), (203315, 1266288), (204240, 1260553), (204414, 1259480), (211048, 1219890), (212195, 1213296), (214933, 1197840), (216660, 1188292), (220409, 1168080), (223882, 1149960), (229992, 1119410), (232360, 1108002), (233616, 1102045), (238280, 1080474), (239568, 1074665), (240870, 1068856), (243978, 1055240), (251896, 1022070), (252770, 1018536), (254634, 1011080), (263760, 976097), (263810, 975912), (267214, 963480), (272552, 944610), (275280, 935249), (278832, 923335), (285936, 900395), (287490, 895528), (288880, 891219), (292020, 881636), (297073, 866640), (299460, 859732), (303324, 848780), (314870, 817656), (316572, 813260), (321160, 801642), (325304, 791430), (328560, 783587), (335823, 766640), (339512, 758310), (340690, 755688), (348540, 738668), (357420, 720316), (360158, 714840), (369334, 697080), (377844, 681380), (379155, 679024), (383320, 671646), (385392, 668035), (389360, 661227), (395715, 650608), (399280, 644799), (400821, 642320), (404432, 636585), (406630, 633144), (408828, 629740), (422096, 609945), (424390, 606648), (429866, 598920), (433320, 594146), (440818, 584040), (447764, 574980), (459984, 559705), (464720, 554001), (472305, 545104), (476560, 540237), (481740, 534428), (487956, 527620), (503792, 511035), (505540, 509268)]