4307680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 11642400

約数和(自身を除く): 7334720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 109, 130, 152, 160, 190, 208, 218, 247, 260, 304, 380, 416, 436, 494, 520, 545, 608, 760, 872, 988, 1040, 1090, 1235, 1417, 1520, 1744, 1976, 2071, 2080, 2180, 2470, 2834, 3040, 3488, 3952, 4142, 4360, 4940, 5668, 7085, 7904, 8284, 8720, 9880, 10355, 11336, 14170, 16568, 17440, 19760, 20710, 22672, 26923, 28340, 33136, 39520, 41420, 45344, 53846, 56680, 66272, 82840, 107692, 113360, 134615, 165680, 215384, 226720, 269230, 331360, 430768, 538460, 861536, 1076920, 2153840, 4307680]

約数ペア:

[(1, 4307680), (2, 2153840), (4, 1076920), (5, 861536), (8, 538460), (10, 430768), (13, 331360), (16, 269230), (19, 226720), (20, 215384), (26, 165680), (32, 134615), (38, 113360), (40, 107692), (52, 82840), (65, 66272), (76, 56680), (80, 53846), (95, 45344), (104, 41420), (109, 39520), (130, 33136), (152, 28340), (160, 26923), (190, 22672), (208, 20710), (218, 19760), (247, 17440), (260, 16568), (304, 14170), (380, 11336), (416, 10355), (436, 9880), (494, 8720), (520, 8284), (545, 7904), (608, 7085), (760, 5668), (872, 4940), (988, 4360), (1040, 4142), (1090, 3952), (1235, 3488), (1417, 3040), (1520, 2834), (1744, 2470), (1976, 2180), (2071, 2080)]