79901880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:549

約数の個数: 128

約数和(自身を含む): 253255680

約数和(自身を除く): 173353800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 47, 60, 62, 93, 94, 120, 124, 141, 155, 186, 188, 235, 248, 282, 310, 372, 376, 457, 465, 470, 564, 620, 705, 744, 914, 930, 940, 1128, 1240, 1371, 1410, 1457, 1828, 1860, 1880, 2285, 2742, 2820, 2914, 3656, 3720, 4371, 4570, 5484, 5640, 5828, 6855, 7285, 8742, 9140, 10968, 11656, 13710, 14167, 14570, 17484, 18280, 21479, 21855, 27420, 28334, 29140, 34968, 42501, 42958, 43710, 54840, 56668, 58280, 64437, 70835, 85002, 85916, 87420, 107395, 113336, 128874, 141670, 170004, 171832, 174840, 212505, 214790, 257748, 283340, 322185, 340008, 425010, 429580, 515496, 566680, 644370, 665849, 850020, 859160, 1288740, 1331698, 1700040, 1997547, 2577480, 2663396, 3329245, 3995094, 5326792, 6658490, 7990188, 9987735, 13316980, 15980376, 19975470, 26633960, 39950940, 79901880]

約数ペア:

[(1, 79901880), (2, 39950940), (3, 26633960), (4, 19975470), (5, 15980376), (6, 13316980), (8, 9987735), (10, 7990188), (12, 6658490), (15, 5326792), (20, 3995094), (24, 3329245), (30, 2663396), (31, 2577480), (40, 1997547), (47, 1700040), (60, 1331698), (62, 1288740), (93, 859160), (94, 850020), (120, 665849), (124, 644370), (141, 566680), (155, 515496), (186, 429580), (188, 425010), (235, 340008), (248, 322185), (282, 283340), (310, 257748), (372, 214790), (376, 212505), (457, 174840), (465, 171832), (470, 170004), (564, 141670), (620, 128874), (705, 113336), (744, 107395), (914, 87420), (930, 85916), (940, 85002), (1128, 70835), (1240, 64437), (1371, 58280), (1410, 56668), (1457, 54840), (1828, 43710), (1860, 42958), (1880, 42501), (2285, 34968), (2742, 29140), (2820, 28334), (2914, 27420), (3656, 21855), (3720, 21479), (4371, 18280), (4570, 17484), (5484, 14570), (5640, 14167), (5828, 13710), (6855, 11656), (7285, 10968), (8742, 9140)]