321270.0000000

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 17312400

約数和(自身を除く): 10420840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 457, 520, 580, 754, 914, 1160, 1508, 1828, 1885, 2285, 3016, 3656, 3770, 4570, 5941, 7540, 9140, 11882, 13253, 15080, 18280, 23764, 26506, 29705, 47528, 53012, 59410, 66265, 106024, 118820, 132530, 172289, 237640, 265060, 344578, 530120, 689156, 861445, 1378312, 1722890, 3445780, 6891560]

約数ペア:

[(1, 6891560), (2, 3445780), (4, 1722890), (5, 1378312), (8, 861445), (10, 689156), (13, 530120), (20, 344578), (26, 265060), (29, 237640), (40, 172289), (52, 132530), (58, 118820), (65, 106024), (104, 66265), (116, 59410), (130, 53012), (145, 47528), (232, 29705), (260, 26506), (290, 23764), (377, 18280), (457, 15080), (520, 13253), (580, 11882), (754, 9140), (914, 7540), (1160, 5941), (1508, 4570), (1828, 3770), (1885, 3656), (2285, 3016)]