1287807019520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{3583}}^1$

素因数の和:4291

約数の個数: 320

約数和(自身を含む): 3649302429696

約数和(自身を除く): 2361495410176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 620, 640, 647, 868, 896, 992, 1085, 1120, 1240, 1280, 1294, 1736, 1792, 1984, 2170, 2240, 2480, 2560, 2588, 3235, 3472, 3583, 3584, 3968, 4340, 4480, 4529, 4960, 5176, 6470, 6944, 7166, 7936, 8680, 8960, 9058, 9920, 10352, 12940, 13888, 14332, 15872, 17360, 17915, 17920, 18116, 19840, 20057, 20704, 22645, 25081, 25880, 27776, 28664, 34720, 35830, 36232, 39680, 40114, 41408, 45290, 50162, 51760, 55552, 57328, 69440, 71660, 72464, 79360, 80228, 82816, 90580, 100285, 100324, 103520, 111073, 111104, 114656, 125405, 138880, 140399, 143320, 144928, 160456, 165632, 181160, 200570, 200648, 207040, 222146, 229312, 250810, 277760, 280798, 286640, 289856, 320912, 331264, 362320, 401140, 401296, 414080, 444292, 458624, 501620, 555365, 555520, 561596, 573280, 579712, 641824, 701995, 724640, 777511, 802280, 802592, 828160, 888584, 917248, 1003240, 1110730, 1123192, 1146560, 1159424, 1283648, 1403990, 1449280, 1555022, 1604560, 1605184, 1656320, 1777168, 1834496, 2006480, 2221460, 2246384, 2293120, 2318201, 2318848, 2567296, 2807980, 2898560, 3110044, 3209120, 3210368, 3554336, 3887555, 4012960, 4442920, 4492768, 4586240, 4636402, 5134592, 5615960, 5797120, 6220088, 6418240, 6420736, 7108672, 7775110, 8025920, 8885840, 8985536, 9172480, 9272804, 10269184, 11231920, 11591005, 11594240, 12440176, 12836480, 12841472, 14217344, 15550220, 16051840, 16227407, 17771680, 17971072, 18545608, 22463840, 23182010, 24880352, 25672960, 28434688, 31100440, 32103680, 32454814, 35543360, 35942144, 37091216, 44927680, 46364020, 49760704, 51345920, 56869376, 62200880, 64207360, 64909628, 71086720, 71864231, 71884288, 74182432, 81137035, 89855360, 92728040, 99521408, 124401760, 129819256, 142173440, 143728462, 148364864, 162274070, 179710720, 185456080, 199042816, 248803520, 259638512, 284346880, 287456924, 296729728, 324548140, 359321155, 359421440, 370912160, 398085632, 497607040, 503049617, 519277024, 574913848, 593459456, 649096280, 718642310, 741824320, 995214080, 1006099234, 1038554048, 1149827696, 1186918912, 1298192560, 1437284620, 1483648640, 1990428160, 2012198468, 2077108096, 2299655392, 2515248085, 2596385120, 2874569240, 2967297280, 4024396936, 4154216192, 4599310784, 5030496170, 5192770240, 5749138480, 5934594560, 8048793872, 8308432384, 9198621568, 10060992340, 10385540480, 11498276960, 16097587744, 18397243136, 20121984680, 20771080960, 22996553920, 32195175488, 36794486272, 40243969360, 41542161920, 45993107840, 64390350976, 80487938720, 91986215680, 128780701952, 160975877440, 183972431360, 257561403904, 321951754880, 643903509760, 1287807019520]

約数ペア:

[(1, 1287807019520), (2, 643903509760), (4, 321951754880), (5, 257561403904), (7, 183972431360), (8, 160975877440), (10, 128780701952), (14, 91986215680), (16, 80487938720), (20, 64390350976), (28, 45993107840), (31, 41542161920), (32, 40243969360), (35, 36794486272), (40, 32195175488), (56, 22996553920), (62, 20771080960), (64, 20121984680), (70, 18397243136), (80, 16097587744), (112, 11498276960), (124, 10385540480), (128, 10060992340), (140, 9198621568), (155, 8308432384), (160, 8048793872), (217, 5934594560), (224, 5749138480), (248, 5192770240), (256, 5030496170), (280, 4599310784), (310, 4154216192), (320, 4024396936), (434, 2967297280), (448, 2874569240), (496, 2596385120), (512, 2515248085), (560, 2299655392), (620, 2077108096), (640, 2012198468), (647, 1990428160), (868, 1483648640), (896, 1437284620), (992, 1298192560), (1085, 1186918912), (1120, 1149827696), (1240, 1038554048), (1280, 1006099234), (1294, 995214080), (1736, 741824320), (1792, 718642310), (1984, 649096280), (2170, 593459456), (2240, 574913848), (2480, 519277024), (2560, 503049617), (2588, 497607040), (3235, 398085632), (3472, 370912160), (3583, 359421440), (3584, 359321155), (3968, 324548140), (4340, 296729728), (4480, 287456924), (4529, 284346880), (4960, 259638512), (5176, 248803520), (6470, 199042816), (6944, 185456080), (7166, 179710720), (7936, 162274070), (8680, 148364864), (8960, 143728462), (9058, 142173440), (9920, 129819256), (10352, 124401760), (12940, 99521408), (13888, 92728040), (14332, 89855360), (15872, 81137035), (17360, 74182432), (17915, 71884288), (17920, 71864231), (18116, 71086720), (19840, 64909628), (20057, 64207360), (20704, 62200880), (22645, 56869376), (25081, 51345920), (25880, 49760704), (27776, 46364020), (28664, 44927680), (34720, 37091216), (35830, 35942144), (36232, 35543360), (39680, 32454814), (40114, 32103680), (41408, 31100440), (45290, 28434688), (50162, 25672960), (51760, 24880352), (55552, 23182010), (57328, 22463840), (69440, 18545608), (71660, 17971072), (72464, 17771680), (79360, 16227407), (80228, 16051840), (82816, 15550220), (90580, 14217344), (100285, 12841472), (100324, 12836480), (103520, 12440176), (111073, 11594240), (111104, 11591005), (114656, 11231920), (125405, 10269184), (138880, 9272804), (140399, 9172480), (143320, 8985536), (144928, 8885840), (160456, 8025920), (165632, 7775110), (181160, 7108672), (200570, 6420736), (200648, 6418240), (207040, 6220088), (222146, 5797120), (229312, 5615960), (250810, 5134592), (277760, 4636402), (280798, 4586240), (286640, 4492768), (289856, 4442920), (320912, 4012960), (331264, 3887555), (362320, 3554336), (401140, 3210368), (401296, 3209120), (414080, 3110044), (444292, 2898560), (458624, 2807980), (501620, 2567296), (555365, 2318848), (555520, 2318201), (561596, 2293120), (573280, 2246384), (579712, 2221460), (641824, 2006480), (701995, 1834496), (724640, 1777168), (777511, 1656320), (802280, 1605184), (802592, 1604560), (828160, 1555022), (888584, 1449280), (917248, 1403990), (1003240, 1283648), (1110730, 1159424), (1123192, 1146560)]