71049680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1289}}^1$

素因数の和:1368

約数の個数: 80

約数和(自身を含む): 181394640

約数和(自身を除く): 110344960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 848, 1040, 1060, 1289, 1378, 2120, 2578, 2756, 3445, 4240, 5156, 5512, 6445, 6890, 10312, 11024, 12890, 13780, 16757, 20624, 25780, 27560, 33514, 51560, 55120, 67028, 68317, 83785, 103120, 134056, 136634, 167570, 268112, 273268, 335140, 341585, 546536, 670280, 683170, 888121, 1093072, 1340560, 1366340, 1776242, 2732680, 3552484, 4440605, 5465360, 7104968, 8881210, 14209936, 17762420, 35524840, 71049680]

約数ペア:

[(1, 71049680), (2, 35524840), (4, 17762420), (5, 14209936), (8, 8881210), (10, 7104968), (13, 5465360), (16, 4440605), (20, 3552484), (26, 2732680), (40, 1776242), (52, 1366340), (53, 1340560), (65, 1093072), (80, 888121), (104, 683170), (106, 670280), (130, 546536), (208, 341585), (212, 335140), (260, 273268), (265, 268112), (424, 167570), (520, 136634), (530, 134056), (689, 103120), (848, 83785), (1040, 68317), (1060, 67028), (1289, 55120), (1378, 51560), (2120, 33514), (2578, 27560), (2756, 25780), (3445, 20624), (4240, 16757), (5156, 13780), (5512, 12890), (6445, 11024), (6890, 10312)]