20154840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3169}}^1$

素因数の和:3236

約数の個数: 64

約数和(自身を含む): 61624800

約数和(自身を除く): 41469960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3169, 3180, 6338, 6360, 9507, 12676, 15845, 19014, 25352, 31690, 38028, 47535, 63380, 76056, 95070, 126760, 167957, 190140, 335914, 380280, 503871, 671828, 839785, 1007742, 1343656, 1679570, 2015484, 2519355, 3359140, 4030968, 5038710, 6718280, 10077420, 20154840]

約数ペア:

[(1, 20154840), (2, 10077420), (3, 6718280), (4, 5038710), (5, 4030968), (6, 3359140), (8, 2519355), (10, 2015484), (12, 1679570), (15, 1343656), (20, 1007742), (24, 839785), (30, 671828), (40, 503871), (53, 380280), (60, 335914), (106, 190140), (120, 167957), (159, 126760), (212, 95070), (265, 76056), (318, 63380), (424, 47535), (530, 38028), (636, 31690), (795, 25352), (1060, 19014), (1272, 15845), (1590, 12676), (2120, 9507), (3169, 6360), (3180, 6338)]