30751240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4549}}^1$

素因数の和:4586

約数の個数: 48

約数和(自身を含む): 74938500

約数和(自身を除く): 44187260

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 4549, 6760, 9098, 18196, 22745, 36392, 45490, 59137, 90980, 118274, 181960, 236548, 295685, 473096, 591370, 768781, 1182740, 1537562, 2365480, 3075124, 3843905, 6150248, 7687810, 15375620, 30751240]

約数ペア:

[(1, 30751240), (2, 15375620), (4, 7687810), (5, 6150248), (8, 3843905), (10, 3075124), (13, 2365480), (20, 1537562), (26, 1182740), (40, 768781), (52, 591370), (65, 473096), (104, 295685), (130, 236548), (169, 181960), (260, 118274), (338, 90980), (520, 59137), (676, 45490), (845, 36392), (1352, 22745), (1690, 18196), (3380, 9098), (4549, 6760)]