81228630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{631}}^1$

素因数の和:1261

約数の個数: 64

約数和(自身を含む): 223515648

約数和(自身を除く): 142287018

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 613, 631, 1226, 1262, 1839, 1893, 3065, 3155, 3678, 3786, 4291, 4417, 6130, 6310, 8582, 8834, 9195, 9465, 12873, 13251, 18390, 18930, 21455, 22085, 25746, 26502, 42910, 44170, 64365, 66255, 128730, 132510, 386803, 773606, 1160409, 1934015, 2320818, 2707621, 3868030, 5415242, 5802045, 8122863, 11604090, 13538105, 16245726, 27076210, 40614315, 81228630]

約数ペア:

[(1, 81228630), (2, 40614315), (3, 27076210), (5, 16245726), (6, 13538105), (7, 11604090), (10, 8122863), (14, 5802045), (15, 5415242), (21, 3868030), (30, 2707621), (35, 2320818), (42, 1934015), (70, 1160409), (105, 773606), (210, 386803), (613, 132510), (631, 128730), (1226, 66255), (1262, 64365), (1839, 44170), (1893, 42910), (3065, 26502), (3155, 25746), (3678, 22085), (3786, 21455), (4291, 18930), (4417, 18390), (6130, 13251), (6310, 12873), (8582, 9465), (8834, 9195)]