72310980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172169}}^1$

素因数の和:172188

約数の個数: 48

約数和(自身を含む): 231396480

約数和(自身を除く): 159085500

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, 172169, 344338, 516507, 688676, 860845, 1033014, 1205183, 1721690, 2066028, 2410366, 2582535, 3443380, 3615549, 4820732, 5165070, 6025915, 7231098, 10330140, 12051830, 14462196, 18077745, 24103660, 36155490, 72310980]

約数ペア:

[(1, 72310980), (2, 36155490), (3, 24103660), (4, 18077745), (5, 14462196), (6, 12051830), (7, 10330140), (10, 7231098), (12, 6025915), (14, 5165070), (15, 4820732), (20, 3615549), (21, 3443380), (28, 2582535), (30, 2410366), (35, 2066028), (42, 1721690), (60, 1205183), (70, 1033014), (84, 860845), (105, 688676), (140, 516507), (210, 344338), (420, 172169)]