68196660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:825

約数の個数: 96

約数和(自身を含む): 219313920

約数和(自身を除く): 151117260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 397, 409, 420, 794, 818, 1191, 1227, 1588, 1636, 1985, 2045, 2382, 2454, 2779, 2863, 3970, 4090, 4764, 4908, 5558, 5726, 5955, 6135, 7940, 8180, 8337, 8589, 11116, 11452, 11910, 12270, 13895, 14315, 16674, 17178, 23820, 24540, 27790, 28630, 33348, 34356, 41685, 42945, 55580, 57260, 83370, 85890, 162373, 166740, 171780, 324746, 487119, 649492, 811865, 974238, 1136611, 1623730, 1948476, 2273222, 2435595, 3247460, 3409833, 4546444, 4871190, 5683055, 6819666, 9742380, 11366110, 13639332, 17049165, 22732220, 34098330, 68196660]

約数ペア:

[(1, 68196660), (2, 34098330), (3, 22732220), (4, 17049165), (5, 13639332), (6, 11366110), (7, 9742380), (10, 6819666), (12, 5683055), (14, 4871190), (15, 4546444), (20, 3409833), (21, 3247460), (28, 2435595), (30, 2273222), (35, 1948476), (42, 1623730), (60, 1136611), (70, 974238), (84, 811865), (105, 649492), (140, 487119), (210, 324746), (397, 171780), (409, 166740), (420, 162373), (794, 85890), (818, 83370), (1191, 57260), (1227, 55580), (1588, 42945), (1636, 41685), (1985, 34356), (2045, 33348), (2382, 28630), (2454, 27790), (2779, 24540), (2863, 23820), (3970, 17178), (4090, 16674), (4764, 14315), (4908, 13895), (5558, 12270), (5726, 11910), (5955, 11452), (6135, 11116), (7940, 8589), (8180, 8337)]