173661520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2657}}^1$

素因数の和:2732

約数の個数: 80

約数和(自身を含む): 435061440

約数和(自身を除く): 261399920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 2657, 3268, 3440, 4085, 5314, 6536, 8170, 10628, 13072, 13285, 16340, 21256, 26570, 32680, 42512, 50483, 53140, 65360, 100966, 106280, 114251, 201932, 212560, 228502, 252415, 403864, 457004, 504830, 571255, 807728, 914008, 1009660, 1142510, 1828016, 2019320, 2170769, 2285020, 4038640, 4341538, 4570040, 8683076, 9140080, 10853845, 17366152, 21707690, 34732304, 43415380, 86830760, 173661520]

約数ペア:

[(1, 173661520), (2, 86830760), (4, 43415380), (5, 34732304), (8, 21707690), (10, 17366152), (16, 10853845), (19, 9140080), (20, 8683076), (38, 4570040), (40, 4341538), (43, 4038640), (76, 2285020), (80, 2170769), (86, 2019320), (95, 1828016), (152, 1142510), (172, 1009660), (190, 914008), (215, 807728), (304, 571255), (344, 504830), (380, 457004), (430, 403864), (688, 252415), (760, 228502), (817, 212560), (860, 201932), (1520, 114251), (1634, 106280), (1720, 100966), (2657, 65360), (3268, 53140), (3440, 50483), (4085, 42512), (5314, 32680), (6536, 26570), (8170, 21256), (10628, 16340), (13072, 13285)]