72319380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:849

約数の個数: 96

約数和(自身を含む): 232538880

約数和(自身を除く): 160219500

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, 409, 420, 421, 818, 842, 1227, 1263, 1636, 1684, 2045, 2105, 2454, 2526, 2863, 2947, 4090, 4210, 4908, 5052, 5726, 5894, 6135, 6315, 8180, 8420, 8589, 8841, 11452, 11788, 12270, 12630, 14315, 14735, 17178, 17682, 24540, 25260, 28630, 29470, 34356, 35364, 42945, 44205, 57260, 58940, 85890, 88410, 171780, 172189, 176820, 344378, 516567, 688756, 860945, 1033134, 1205323, 1721890, 2066268, 2410646, 2582835, 3443780, 3615969, 4821292, 5165670, 6026615, 7231938, 10331340, 12053230, 14463876, 18079845, 24106460, 36159690, 72319380]

約数ペア:

[(1, 72319380), (2, 36159690), (3, 24106460), (4, 18079845), (5, 14463876), (6, 12053230), (7, 10331340), (10, 7231938), (12, 6026615), (14, 5165670), (15, 4821292), (20, 3615969), (21, 3443780), (28, 2582835), (30, 2410646), (35, 2066268), (42, 1721890), (60, 1205323), (70, 1033134), (84, 860945), (105, 688756), (140, 516567), (210, 344378), (409, 176820), (420, 172189), (421, 171780), (818, 88410), (842, 85890), (1227, 58940), (1263, 57260), (1636, 44205), (1684, 42945), (2045, 35364), (2105, 34356), (2454, 29470), (2526, 28630), (2863, 25260), (2947, 24540), (4090, 17682), (4210, 17178), (4908, 14735), (5052, 14315), (5726, 12630), (5894, 12270), (6135, 11788), (6315, 11452), (8180, 8841), (8420, 8589)]