215875140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{276763}}^1$

素因数の和:276788

約数の個数: 48

約数和(自身を含む): 650948928

約数和(自身を除く): 435073788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 276763, 553526, 830289, 1107052, 1383815, 1660578, 2767630, 3321156, 3597919, 4151445, 5535260, 7195838, 8302890, 10793757, 14391676, 16605780, 17989595, 21587514, 35979190, 43175028, 53968785, 71958380, 107937570, 215875140]

約数ペア:

[(1, 215875140), (2, 107937570), (3, 71958380), (4, 53968785), (5, 43175028), (6, 35979190), (10, 21587514), (12, 17989595), (13, 16605780), (15, 14391676), (20, 10793757), (26, 8302890), (30, 7195838), (39, 5535260), (52, 4151445), (60, 3597919), (65, 3321156), (78, 2767630), (130, 1660578), (156, 1383815), (195, 1107052), (260, 830289), (390, 553526), (780, 276763)]