172872840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1571}}^1$

素因数の和:1723

約数の個数: 128

約数和(自身を含む): 597611520

約数和(自身を除く): 424738680

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, 131, 140, 168, 210, 262, 280, 393, 420, 524, 655, 786, 840, 917, 1048, 1310, 1571, 1572, 1834, 1965, 2620, 2751, 3142, 3144, 3668, 3930, 4585, 4713, 5240, 5502, 6284, 7336, 7855, 7860, 9170, 9426, 10997, 11004, 12568, 13755, 15710, 15720, 18340, 18852, 21994, 22008, 23565, 27510, 31420, 32991, 36680, 37704, 43988, 47130, 54985, 55020, 62840, 65982, 87976, 94260, 109970, 110040, 131964, 164955, 188520, 205801, 219940, 263928, 329910, 411602, 439880, 617403, 659820, 823204, 1029005, 1234806, 1319640, 1440607, 1646408, 2058010, 2469612, 2881214, 3087015, 4116020, 4321821, 4939224, 5762428, 6174030, 7203035, 8232040, 8643642, 11524856, 12348060, 14406070, 17287284, 21609105, 24696120, 28812140, 34574568, 43218210, 57624280, 86436420, 172872840]

約数ペア:

[(1, 172872840), (2, 86436420), (3, 57624280), (4, 43218210), (5, 34574568), (6, 28812140), (7, 24696120), (8, 21609105), (10, 17287284), (12, 14406070), (14, 12348060), (15, 11524856), (20, 8643642), (21, 8232040), (24, 7203035), (28, 6174030), (30, 5762428), (35, 4939224), (40, 4321821), (42, 4116020), (56, 3087015), (60, 2881214), (70, 2469612), (84, 2058010), (105, 1646408), (120, 1440607), (131, 1319640), (140, 1234806), (168, 1029005), (210, 823204), (262, 659820), (280, 617403), (393, 439880), (420, 411602), (524, 329910), (655, 263928), (786, 219940), (840, 205801), (917, 188520), (1048, 164955), (1310, 131964), (1571, 110040), (1572, 109970), (1834, 94260), (1965, 87976), (2620, 65982), (2751, 62840), (3142, 55020), (3144, 54985), (3668, 47130), (3930, 43988), (4585, 37704), (4713, 36680), (5240, 32991), (5502, 31420), (6284, 27510), (7336, 23565), (7855, 22008), (7860, 21994), (9170, 18852), (9426, 18340), (10997, 15720), (11004, 15710), (12568, 13755)]