22771120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 56782080

約数和(自身を除く): 34010960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 211, 284, 304, 355, 380, 422, 568, 710, 760, 844, 1055, 1136, 1349, 1420, 1520, 1688, 2110, 2698, 2840, 3376, 4009, 4220, 5396, 5680, 6745, 8018, 8440, 10792, 13490, 14981, 16036, 16880, 20045, 21584, 26980, 29962, 32072, 40090, 53960, 59924, 64144, 74905, 80180, 107920, 119848, 149810, 160360, 239696, 284639, 299620, 320720, 569278, 599240, 1138556, 1198480, 1423195, 2277112, 2846390, 4554224, 5692780, 11385560, 22771120]

約数ペア:

[(1, 22771120), (2, 11385560), (4, 5692780), (5, 4554224), (8, 2846390), (10, 2277112), (16, 1423195), (19, 1198480), (20, 1138556), (38, 599240), (40, 569278), (71, 320720), (76, 299620), (80, 284639), (95, 239696), (142, 160360), (152, 149810), (190, 119848), (211, 107920), (284, 80180), (304, 74905), (355, 64144), (380, 59924), (422, 53960), (568, 40090), (710, 32072), (760, 29962), (844, 26980), (1055, 21584), (1136, 20045), (1349, 16880), (1420, 16036), (1520, 14981), (1688, 13490), (2110, 10792), (2698, 8440), (2840, 8018), (3376, 6745), (4009, 5680), (4220, 5396)]