315035020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 703663632

約数和(自身を除く): 388628612

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 443, 620, 740, 886, 961, 1147, 1772, 1922, 2215, 2294, 3844, 4430, 4588, 4805, 5735, 8860, 9610, 11470, 13733, 16391, 19220, 22940, 27466, 32782, 35557, 54932, 65564, 68665, 71114, 81955, 137330, 142228, 163910, 177785, 274660, 327820, 355570, 425723, 508121, 711140, 851446, 1016242, 1702892, 2032484, 2128615, 2540605, 4257230, 5081210, 8514460, 10162420, 15751751, 31503502, 63007004, 78758755, 157517510, 315035020]

約数ペア:

[(1, 315035020), (2, 157517510), (4, 78758755), (5, 63007004), (10, 31503502), (20, 15751751), (31, 10162420), (37, 8514460), (62, 5081210), (74, 4257230), (124, 2540605), (148, 2128615), (155, 2032484), (185, 1702892), (310, 1016242), (370, 851446), (443, 711140), (620, 508121), (740, 425723), (886, 355570), (961, 327820), (1147, 274660), (1772, 177785), (1922, 163910), (2215, 142228), (2294, 137330), (3844, 81955), (4430, 71114), (4588, 68665), (4805, 65564), (5735, 54932), (8860, 35557), (9610, 32782), (11470, 27466), (13733, 22940), (16391, 19220)]