72311820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172171}}^1$

素因数の和:172190

約数の個数: 48

約数和(自身を含む): 231399168

約数和(自身を除く): 159087348

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, 420, 172171, 344342, 516513, 688684, 860855, 1033026, 1205197, 1721710, 2066052, 2410394, 2582565, 3443420, 3615591, 4820788, 5165130, 6025985, 7231182, 10330260, 12051970, 14462364, 18077955, 24103940, 36155910, 72311820]

約数ペア:

[(1, 72311820), (2, 36155910), (3, 24103940), (4, 18077955), (5, 14462364), (6, 12051970), (7, 10330260), (10, 7231182), (12, 6025985), (14, 5165130), (15, 4820788), (20, 3615591), (21, 3443420), (28, 2582565), (30, 2410394), (35, 2066052), (42, 1721710), (60, 1205197), (70, 1033026), (84, 860855), (105, 688684), (140, 516513), (210, 344342), (420, 172171)]