68990220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29483}}^1$

素因数の和:29511

約数の個数: 72

約数和(自身を含む): 225375696

約数和(自身を除く): 156385476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 29483, 58966, 88449, 117932, 147415, 176898, 265347, 294830, 353796, 383279, 442245, 530694, 589660, 766558, 884490, 1061388, 1149837, 1326735, 1533116, 1768980, 1916395, 2299674, 2653470, 3449511, 3832790, 4599348, 5306940, 5749185, 6899022, 7665580, 11498370, 13798044, 17247555, 22996740, 34495110, 68990220]

約数ペア:

[(1, 68990220), (2, 34495110), (3, 22996740), (4, 17247555), (5, 13798044), (6, 11498370), (9, 7665580), (10, 6899022), (12, 5749185), (13, 5306940), (15, 4599348), (18, 3832790), (20, 3449511), (26, 2653470), (30, 2299674), (36, 1916395), (39, 1768980), (45, 1533116), (52, 1326735), (60, 1149837), (65, 1061388), (78, 884490), (90, 766558), (117, 589660), (130, 530694), (156, 442245), (180, 383279), (195, 353796), (234, 294830), (260, 265347), (390, 176898), (468, 147415), (585, 117932), (780, 88449), (1170, 58966), (2340, 29483)]