176796880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1388

約数の個数: 80

約数和(自身を含む): 446221440

約数和(自身を除く): 269424560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 520, 556, 695, 1040, 1112, 1223, 1390, 1807, 2224, 2446, 2780, 3614, 4892, 5560, 6115, 7228, 9035, 9784, 11120, 12230, 14456, 15899, 18070, 19568, 24460, 28912, 31798, 36140, 48920, 63596, 72280, 79495, 97840, 127192, 144560, 158990, 169997, 254384, 317980, 339994, 635960, 679988, 849985, 1271920, 1359976, 1699970, 2209961, 2719952, 3399940, 4419922, 6799880, 8839844, 11049805, 13599760, 17679688, 22099610, 35359376, 44199220, 88398440, 176796880]

約数ペア:

[(1, 176796880), (2, 88398440), (4, 44199220), (5, 35359376), (8, 22099610), (10, 17679688), (13, 13599760), (16, 11049805), (20, 8839844), (26, 6799880), (40, 4419922), (52, 3399940), (65, 2719952), (80, 2209961), (104, 1699970), (130, 1359976), (139, 1271920), (208, 849985), (260, 679988), (278, 635960), (520, 339994), (556, 317980), (695, 254384), (1040, 169997), (1112, 158990), (1223, 144560), (1390, 127192), (1807, 97840), (2224, 79495), (2446, 72280), (2780, 63596), (3614, 48920), (4892, 36140), (5560, 31798), (6115, 28912), (7228, 24460), (9035, 19568), (9784, 18070), (11120, 15899), (12230, 14456)]