678889147520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{617}}^1\times {\mathrm{1789}}^1$

素因数の和:2487

約数の個数: 192

約数和(自身を含む): 1680668983800

約数和(自身を除く): 1001779836280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 617, 620, 640, 961, 992, 1234, 1240, 1789, 1922, 1984, 2468, 2480, 3085, 3578, 3844, 3968, 4805, 4936, 4960, 6170, 7156, 7688, 8945, 9610, 9872, 9920, 12340, 14312, 15376, 17890, 19127, 19220, 19744, 19840, 24680, 28624, 30752, 35780, 38254, 38440, 39488, 49360, 55459, 57248, 61504, 71560, 76508, 76880, 78976, 95635, 98720, 110918, 114496, 123008, 143120, 153016, 153760, 191270, 197440, 221836, 228992, 277295, 286240, 306032, 307520, 382540, 394880, 443672, 554590, 572480, 592937, 612064, 615040, 765080, 887344, 1103813, 1109180, 1144960, 1185874, 1224128, 1530160, 1719229, 1774688, 2207626, 2218360, 2371748, 2448256, 2964685, 3060320, 3438458, 3549376, 4415252, 4436720, 4743496, 5519065, 5929370, 6120640, 6876916, 7098752, 8596145, 8830504, 8873440, 9486992, 11038130, 11858740, 12241280, 13753832, 17192290, 17661008, 17746880, 18973984, 22076260, 23717480, 27507664, 34218203, 34384580, 35322016, 35493760, 37947968, 44152520, 47434960, 55015328, 68436406, 68769160, 70644032, 75895936, 88305040, 94869920, 110030656, 136872812, 137538320, 141288064, 171091015, 176610080, 189739840, 220061312, 273745624, 275076640, 342182030, 353220160, 379479680, 547491248, 550153280, 684364060, 706440320, 1060764293, 1094982496, 1100306560, 1368728120, 2121528586, 2189964992, 2737456240, 4243057172, 4379929984, 5303821465, 5474912480, 8486114344, 10607642930, 10949824960, 16972228688, 21215285860, 21899649920, 33944457376, 42430571720, 67888914752, 84861143440, 135777829504, 169722286880, 339444573760, 678889147520]

約数ペア:

[(1, 678889147520), (2, 339444573760), (4, 169722286880), (5, 135777829504), (8, 84861143440), (10, 67888914752), (16, 42430571720), (20, 33944457376), (31, 21899649920), (32, 21215285860), (40, 16972228688), (62, 10949824960), (64, 10607642930), (80, 8486114344), (124, 5474912480), (128, 5303821465), (155, 4379929984), (160, 4243057172), (248, 2737456240), (310, 2189964992), (320, 2121528586), (496, 1368728120), (617, 1100306560), (620, 1094982496), (640, 1060764293), (961, 706440320), (992, 684364060), (1234, 550153280), (1240, 547491248), (1789, 379479680), (1922, 353220160), (1984, 342182030), (2468, 275076640), (2480, 273745624), (3085, 220061312), (3578, 189739840), (3844, 176610080), (3968, 171091015), (4805, 141288064), (4936, 137538320), (4960, 136872812), (6170, 110030656), (7156, 94869920), (7688, 88305040), (8945, 75895936), (9610, 70644032), (9872, 68769160), (9920, 68436406), (12340, 55015328), (14312, 47434960), (15376, 44152520), (17890, 37947968), (19127, 35493760), (19220, 35322016), (19744, 34384580), (19840, 34218203), (24680, 27507664), (28624, 23717480), (30752, 22076260), (35780, 18973984), (38254, 17746880), (38440, 17661008), (39488, 17192290), (49360, 13753832), (55459, 12241280), (57248, 11858740), (61504, 11038130), (71560, 9486992), (76508, 8873440), (76880, 8830504), (78976, 8596145), (95635, 7098752), (98720, 6876916), (110918, 6120640), (114496, 5929370), (123008, 5519065), (143120, 4743496), (153016, 4436720), (153760, 4415252), (191270, 3549376), (197440, 3438458), (221836, 3060320), (228992, 2964685), (277295, 2448256), (286240, 2371748), (306032, 2218360), (307520, 2207626), (382540, 1774688), (394880, 1719229), (443672, 1530160), (554590, 1224128), (572480, 1185874), (592937, 1144960), (612064, 1109180), (615040, 1103813), (765080, 887344)]