31723360

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 80831520

約数和(自身を除く): 49108160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 107, 109, 136, 160, 170, 214, 218, 272, 340, 428, 436, 535, 544, 545, 680, 856, 872, 1070, 1090, 1360, 1712, 1744, 1819, 1853, 2140, 2180, 2720, 3424, 3488, 3638, 3706, 4280, 4360, 7276, 7412, 8560, 8720, 9095, 9265, 11663, 14552, 14824, 17120, 17440, 18190, 18530, 23326, 29104, 29648, 36380, 37060, 46652, 58208, 58315, 59296, 72760, 74120, 93304, 116630, 145520, 148240, 186608, 198271, 233260, 291040, 296480, 373216, 396542, 466520, 793084, 933040, 991355, 1586168, 1866080, 1982710, 3172336, 3965420, 6344672, 7930840, 15861680, 31723360]

約数ペア:

[(1, 31723360), (2, 15861680), (4, 7930840), (5, 6344672), (8, 3965420), (10, 3172336), (16, 1982710), (17, 1866080), (20, 1586168), (32, 991355), (34, 933040), (40, 793084), (68, 466520), (80, 396542), (85, 373216), (107, 296480), (109, 291040), (136, 233260), (160, 198271), (170, 186608), (214, 148240), (218, 145520), (272, 116630), (340, 93304), (428, 74120), (436, 72760), (535, 59296), (544, 58315), (545, 58208), (680, 46652), (856, 37060), (872, 36380), (1070, 29648), (1090, 29104), (1360, 23326), (1712, 18530), (1744, 18190), (1819, 17440), (1853, 17120), (2140, 14824), (2180, 14552), (2720, 11663), (3424, 9265), (3488, 9095), (3638, 8720), (3706, 8560), (4280, 7412), (4360, 7276)]