64186960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 156347136

約数和(自身を除く): 92160176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 172, 188, 215, 235, 344, 376, 397, 430, 470, 688, 752, 794, 860, 940, 1588, 1720, 1880, 1985, 2021, 3176, 3440, 3760, 3970, 4042, 6352, 7940, 8084, 10105, 15880, 16168, 17071, 18659, 20210, 31760, 32336, 34142, 37318, 40420, 68284, 74636, 80840, 85355, 93295, 136568, 149272, 161680, 170710, 186590, 273136, 298544, 341420, 373180, 682840, 746360, 802337, 1365680, 1492720, 1604674, 3209348, 4011685, 6418696, 8023370, 12837392, 16046740, 32093480, 64186960]

約数ペア:

[(1, 64186960), (2, 32093480), (4, 16046740), (5, 12837392), (8, 8023370), (10, 6418696), (16, 4011685), (20, 3209348), (40, 1604674), (43, 1492720), (47, 1365680), (80, 802337), (86, 746360), (94, 682840), (172, 373180), (188, 341420), (215, 298544), (235, 273136), (344, 186590), (376, 170710), (397, 161680), (430, 149272), (470, 136568), (688, 93295), (752, 85355), (794, 80840), (860, 74636), (940, 68284), (1588, 40420), (1720, 37318), (1880, 34142), (1985, 32336), (2021, 31760), (3176, 20210), (3440, 18659), (3760, 17071), (3970, 16168), (4042, 15880), (6352, 10105), (7940, 8084)]