128365320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24877}}^1$

素因数の和:24934

約数の個数: 64

約数和(自身を含む): 394067520

約数和(自身を除く): 265702200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 24877, 49754, 74631, 99508, 124385, 149262, 199016, 248770, 298524, 373155, 497540, 597048, 746310, 995080, 1069711, 1492620, 2139422, 2985240, 3209133, 4278844, 5348555, 6418266, 8557688, 10697110, 12836532, 16045665, 21394220, 25673064, 32091330, 42788440, 64182660, 128365320]

約数ペア:

[(1, 128365320), (2, 64182660), (3, 42788440), (4, 32091330), (5, 25673064), (6, 21394220), (8, 16045665), (10, 12836532), (12, 10697110), (15, 8557688), (20, 6418266), (24, 5348555), (30, 4278844), (40, 3209133), (43, 2985240), (60, 2139422), (86, 1492620), (120, 1069711), (129, 995080), (172, 746310), (215, 597048), (258, 497540), (344, 373155), (430, 298524), (516, 248770), (645, 199016), (860, 149262), (1032, 124385), (1290, 99508), (1720, 74631), (2580, 49754), (5160, 24877)]