51662940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{123007}}^1$

素因数の和:123026

約数の個数: 48

約数和(自身を含む): 165322752

約数和(自身を除く): 113659812

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, 123007, 246014, 369021, 492028, 615035, 738042, 861049, 1230070, 1476084, 1722098, 1845105, 2460140, 2583147, 3444196, 3690210, 4305245, 5166294, 7380420, 8610490, 10332588, 12915735, 17220980, 25831470, 51662940]

約数ペア:

[(1, 51662940), (2, 25831470), (3, 17220980), (4, 12915735), (5, 10332588), (6, 8610490), (7, 7380420), (10, 5166294), (12, 4305245), (14, 3690210), (15, 3444196), (20, 2583147), (21, 2460140), (28, 1845105), (30, 1722098), (35, 1476084), (42, 1230070), (60, 861049), (70, 738042), (84, 615035), (105, 492028), (140, 369021), (210, 246014), (420, 123007)]