128425980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 369230400

約数和(自身を除く): 240804420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 109, 146, 218, 219, 269, 292, 327, 365, 436, 438, 538, 545, 654, 730, 807, 876, 1076, 1090, 1095, 1308, 1345, 1460, 1614, 1635, 2180, 2190, 2690, 3228, 3270, 4035, 4380, 5380, 6540, 7957, 8070, 15914, 16140, 19637, 23871, 29321, 31828, 39274, 39785, 47742, 58642, 58911, 78548, 79570, 87963, 95484, 98185, 117284, 117822, 119355, 146605, 159140, 175926, 196370, 235644, 238710, 293210, 294555, 351852, 392740, 439815, 477420, 586420, 589110, 879630, 1178220, 1759260, 2140433, 4280866, 6421299, 8561732, 10702165, 12842598, 21404330, 25685196, 32106495, 42808660, 64212990, 128425980]

約数ペア:

[(1, 128425980), (2, 64212990), (3, 42808660), (4, 32106495), (5, 25685196), (6, 21404330), (10, 12842598), (12, 10702165), (15, 8561732), (20, 6421299), (30, 4280866), (60, 2140433), (73, 1759260), (109, 1178220), (146, 879630), (218, 589110), (219, 586420), (269, 477420), (292, 439815), (327, 392740), (365, 351852), (436, 294555), (438, 293210), (538, 238710), (545, 235644), (654, 196370), (730, 175926), (807, 159140), (876, 146605), (1076, 119355), (1090, 117822), (1095, 117284), (1308, 98185), (1345, 95484), (1460, 87963), (1614, 79570), (1635, 78548), (2180, 58911), (2190, 58642), (2690, 47742), (3228, 39785), (3270, 39274), (4035, 31828), (4380, 29321), (5380, 23871), (6540, 19637), (7957, 16140), (8070, 15914)]