40294680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{821}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 121327200

約数和(自身を除く): 81032520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 409, 818, 821, 1227, 1636, 1642, 2045, 2454, 2463, 3272, 3284, 4090, 4105, 4908, 4926, 6135, 6568, 8180, 8210, 9816, 9852, 12270, 12315, 16360, 16420, 19704, 24540, 24630, 32840, 49080, 49260, 98520, 335789, 671578, 1007367, 1343156, 1678945, 2014734, 2686312, 3357890, 4029468, 5036835, 6715780, 8058936, 10073670, 13431560, 20147340, 40294680]

約数ペア:

[(1, 40294680), (2, 20147340), (3, 13431560), (4, 10073670), (5, 8058936), (6, 6715780), (8, 5036835), (10, 4029468), (12, 3357890), (15, 2686312), (20, 2014734), (24, 1678945), (30, 1343156), (40, 1007367), (60, 671578), (120, 335789), (409, 98520), (818, 49260), (821, 49080), (1227, 32840), (1636, 24630), (1642, 24540), (2045, 19704), (2454, 16420), (2463, 16360), (3272, 12315), (3284, 12270), (4090, 9852), (4105, 9816), (4908, 8210), (4926, 8180), (6135, 6568)]