255467728880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:262

約数の個数: 960

約数和(自身を含む): 820747468800

約数和(自身を除く): 565279739920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 31, 35, 40, 46, 49, 52, 56, 62, 65, 70, 79, 80, 89, 91, 92, 98, 104, 112, 115, 124, 130, 140, 155, 158, 161, 178, 182, 184, 196, 208, 217, 230, 245, 248, 260, 280, 299, 310, 316, 322, 356, 364, 368, 392, 395, 403, 434, 445, 455, 460, 490, 496, 520, 553, 560, 598, 620, 623, 632, 637, 644, 712, 713, 728, 784, 790, 805, 806, 868, 890, 910, 920, 980, 1027, 1040, 1085, 1106, 1127, 1157, 1196, 1240, 1246, 1264, 1274, 1288, 1424, 1426, 1456, 1495, 1519, 1580, 1610, 1612, 1736, 1780, 1817, 1820, 1840, 1960, 2015, 2047, 2054, 2093, 2170, 2212, 2254, 2314, 2392, 2449, 2480, 2492, 2548, 2576, 2759, 2765, 2821, 2852, 2990, 3038, 3115, 3160, 3185, 3220, 3224, 3472, 3560, 3565, 3634, 3640, 3871, 3920, 4030, 4094, 4108, 4186, 4340, 4361, 4424, 4508, 4628, 4784, 4898, 4984, 4991, 5096, 5135, 5518, 5530, 5635, 5642, 5704, 5785, 5980, 6076, 6230, 6320, 6370, 6440, 6448, 7031, 7120, 7130, 7189, 7268, 7280, 7595, 7742, 8060, 8099, 8188, 8216, 8372, 8680, 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約数ペア:

[(1, 255467728880), (2, 127733864440), (4, 63866932220), (5, 51093545776), (7, 36495389840), (8, 31933466110), (10, 25546772888), (13, 19651363760), (14, 18247694920), (16, 15966733055), (20, 12773386444), (23, 11107292560), (26, 9825681880), (28, 9123847460), (31, 8240894480), (35, 7299077968), (40, 6386693222), (46, 5553646280), (49, 5213627120), (52, 4912840940), (56, 4561923730), (62, 4120447240), (65, 3930272752), (70, 3649538984), (79, 3233768720), (80, 3193346611), (89, 2870423920), (91, 2807337680), (92, 2776823140), (98, 2606813560), (104, 2456420470), (112, 2280961865), (115, 2221458512), (124, 2060223620), (130, 1965136376), (140, 1824769492), (155, 1648178896), (158, 1616884360), (161, 1586756080), (178, 1435211960), (182, 1403668840), (184, 1388411570), (196, 1303406780), (208, 1228210235), (217, 1177270640), (230, 1110729256), (245, 1042725424), (248, 1030111810), (260, 982568188), (280, 912384746), (299, 854407120), (310, 824089448), (316, 808442180), (322, 793378040), (356, 717605980), (364, 701834420), (368, 694205785), (392, 651703390), (395, 646753744), (403, 633914960), (434, 588635320), (445, 574084784), (455, 561467536), (460, 555364628), (490, 521362712), (496, 515055905), (520, 491284094), (553, 461966960), (560, 456192373), (598, 427203560), (620, 412044724), (623, 410060560), (632, 404221090), (637, 401048240), (644, 396689020), (712, 358802990), (713, 358299760), (728, 350917210), (784, 325851695), (790, 323376872), (805, 317351216), (806, 316957480), (868, 294317660), (890, 287042392), (910, 280733768), (920, 277682314), (980, 260681356), (1027, 248751440), (1040, 245642047), (1085, 235454128), (1106, 230983480), (1127, 226679440), (1157, 220801840), (1196, 213601780), (1240, 206022362), (1246, 205030280), (1264, 202110545), (1274, 200524120), (1288, 198344510), (1424, 179401495), (1426, 179149880), (1456, 175458605), (1495, 170881424), (1519, 168181520), (1580, 161688436), (1610, 158675608), (1612, 158478740), (1736, 147158830), (1780, 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(143780, 1776796), (145360, 1757483), (146510, 1743688), (148304, 1722595), (154504, 1653470), (154840, 1649882), (157976, 1617130), (159185, 1604848), (161713, 1579760), (161980, 1577156), (163760, 1560013), (165347, 1545040), (167440, 1525727), (171430, 1490216), (174440, 1464502), (174685, 1462448), (178066, 1434680), (179335, 1424528), (182806, 1397480), (185380, 1378076), (186277, 1371440), (188968, 1351910), (193130, 1322776), (195920, 1303939), (196868, 1297660), (197470, 1293704), (199640, 1279642), (200606, 1273480), (201292, 1269140), (203504, 1255345), (212888, 1200010), (217961, 1172080), (220720, 1157429), (222859, 1146320), (225308, 1133860), (225680, 1131991), (226772, 1126540), (229264, 1114295), (234416, 1089805), (236210, 1081528), (240002, 1064440), (246085, 1038128), (251069, 1017520), (251615, 1015312), (253828, 1006460), (254380, 1004276), (254696, 1003030), (259532, 984340), (266110, 960008), (270382, 944840), (274288, 931385), (279496, 914030), (281240, 908362), (281635, 907088), (283465, 901232), (286580, 891436), (286936, 890330), (287560, 888398), (293020, 871844), (309008, 826735), (309680, 824941), (315952, 808565), (317285, 805168), (318370, 802424), (323426, 789880), (323960, 788578), (324415, 787472), (330694, 772520), (342860, 745108), (344519, 741520), (348880, 732251), (349370, 731224), (356132, 717340), (358670, 712264), (365612, 698740), (370760, 689038), (372554, 685720), (377936, 675955), (386260, 661388), (393736, 648830), (394289, 647920), (394940, 646852), (399280, 639821), (401212, 636740), (402584, 634570), (425776, 600005), (435922, 586040), (444199, 575120), (445165, 573872), (445718, 573160), (450616, 566930), (453544, 563270), (454181, 562480), (457015, 558992), (472420, 540764), (480004, 532220), (492170, 519064), (501515, 509392), (502138, 508760), (503230, 507656)]