2020072740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{90749}}^1$

素因数の和:90821

約数の個数: 96

約数和(自身を含む): 6586272000

約数和(自身を除く): 4566199260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 105, 106, 140, 159, 210, 212, 265, 318, 371, 420, 530, 636, 742, 795, 1060, 1113, 1484, 1590, 1855, 2226, 3180, 3710, 4452, 5565, 7420, 11130, 22260, 90749, 181498, 272247, 362996, 453745, 544494, 635243, 907490, 1088988, 1270486, 1361235, 1814980, 1905729, 2540972, 2722470, 3176215, 3811458, 4809697, 5444940, 6352430, 7622916, 9528645, 9619394, 12704860, 14429091, 19057290, 19238788, 24048485, 28858182, 33667879, 38114580, 48096970, 57716364, 67335758, 72145455, 96193940, 101003637, 134671516, 144290910, 168339395, 202007274, 288581820, 336678790, 404014548, 505018185, 673357580, 1010036370, 2020072740]

約数ペア:

[(1, 2020072740), (2, 1010036370), (3, 673357580), (4, 505018185), (5, 404014548), (6, 336678790), (7, 288581820), (10, 202007274), (12, 168339395), (14, 144290910), (15, 134671516), (20, 101003637), (21, 96193940), (28, 72145455), (30, 67335758), (35, 57716364), (42, 48096970), (53, 38114580), (60, 33667879), (70, 28858182), (84, 24048485), (105, 19238788), (106, 19057290), (140, 14429091), (159, 12704860), (210, 9619394), (212, 9528645), (265, 7622916), (318, 6352430), (371, 5444940), (420, 4809697), (530, 3811458), (636, 3176215), (742, 2722470), (795, 2540972), (1060, 1905729), (1113, 1814980), (1484, 1361235), (1590, 1270486), (1855, 1088988), (2226, 907490), (3180, 635243), (3710, 544494), (4452, 453745), (5565, 362996), (7420, 272247), (11130, 181498), (22260, 90749)]