65281077960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{521581}}^1$

素因数の和:521751

約数の個数: 128

約数和(自身を含む): 225323424000

約数和(自身を除く): 160042346040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 149, 168, 210, 280, 298, 420, 447, 596, 745, 840, 894, 1043, 1192, 1490, 1788, 2086, 2235, 2980, 3129, 3576, 4172, 4470, 5215, 5960, 6258, 8344, 8940, 10430, 12516, 15645, 17880, 20860, 25032, 31290, 41720, 62580, 125160, 521581, 1043162, 1564743, 2086324, 2607905, 3129486, 3651067, 4172648, 5215810, 6258972, 7302134, 7823715, 10431620, 10953201, 12517944, 14604268, 15647430, 18255335, 20863240, 21906402, 29208536, 31294860, 36510670, 43812804, 54766005, 62589720, 73021340, 77715569, 87625608, 109532010, 146042680, 155431138, 219064020, 233146707, 310862276, 388577845, 438128040, 466293414, 544008983, 621724552, 777155690, 932586828, 1088017966, 1165733535, 1554311380, 1632026949, 1865173656, 2176035932, 2331467070, 2720044915, 3108622760, 3264053898, 4352071864, 4662934140, 5440089830, 6528107796, 8160134745, 9325868280, 10880179660, 13056215592, 16320269490, 21760359320, 32640538980, 65281077960]

約数ペア:

[(1, 65281077960), (2, 32640538980), (3, 21760359320), (4, 16320269490), (5, 13056215592), (6, 10880179660), (7, 9325868280), (8, 8160134745), (10, 6528107796), (12, 5440089830), (14, 4662934140), (15, 4352071864), (20, 3264053898), (21, 3108622760), (24, 2720044915), (28, 2331467070), (30, 2176035932), (35, 1865173656), (40, 1632026949), (42, 1554311380), (56, 1165733535), (60, 1088017966), (70, 932586828), (84, 777155690), (105, 621724552), (120, 544008983), (140, 466293414), (149, 438128040), (168, 388577845), (210, 310862276), (280, 233146707), (298, 219064020), (420, 155431138), (447, 146042680), (596, 109532010), (745, 87625608), (840, 77715569), (894, 73021340), (1043, 62589720), (1192, 54766005), (1490, 43812804), (1788, 36510670), (2086, 31294860), (2235, 29208536), (2980, 21906402), (3129, 20863240), (3576, 18255335), (4172, 15647430), (4470, 14604268), (5215, 12517944), (5960, 10953201), (6258, 10431620), (8344, 7823715), (8940, 7302134), (10430, 6258972), (12516, 5215810), (15645, 4172648), (17880, 3651067), (20860, 3129486), (25032, 2607905), (31290, 2086324), (41720, 1564743), (62580, 1043162), (125160, 521581)]