1216184428040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1\times {\mathrm{458543}}^1$

素因数の和:459702

約数の個数: 64

約数和(自身を含む): 2783838965760

約数和(自身を除く): 1567654537720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1087, 1220, 2174, 2440, 4348, 5435, 8696, 10870, 21740, 43480, 66307, 132614, 265228, 331535, 458543, 530456, 663070, 917086, 1326140, 1834172, 2292715, 2652280, 3668344, 4585430, 9170860, 18341720, 27971123, 55942246, 111884492, 139855615, 223768984, 279711230, 498436241, 559422460, 996872482, 1118844920, 1993744964, 2492181205, 3987489928, 4984362410, 9968724820, 19937449640, 30404610701, 60809221402, 121618442804, 152023053505, 243236885608, 304046107010, 608092214020, 1216184428040]

約数ペア:

[(1, 1216184428040), (2, 608092214020), (4, 304046107010), (5, 243236885608), (8, 152023053505), (10, 121618442804), (20, 60809221402), (40, 30404610701), (61, 19937449640), (122, 9968724820), (244, 4984362410), (305, 3987489928), (488, 2492181205), (610, 1993744964), (1087, 1118844920), (1220, 996872482), (2174, 559422460), (2440, 498436241), (4348, 279711230), (5435, 223768984), (8696, 139855615), (10870, 111884492), (21740, 55942246), (43480, 27971123), (66307, 18341720), (132614, 9170860), (265228, 4585430), (331535, 3668344), (458543, 2652280), (530456, 2292715), (663070, 1834172), (917086, 1326140)]