2040555420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{1181}}^1$

素因数の和:1556

約数の個数: 144

約数和(自身を含む): 6427905120

約数和(自身を除く): 4387349700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 331, 348, 435, 522, 580, 662, 870, 993, 1044, 1181, 1305, 1324, 1655, 1740, 1986, 2362, 2610, 2979, 3310, 3543, 3972, 4724, 4965, 5220, 5905, 5958, 6620, 7086, 9599, 9930, 10629, 11810, 11916, 14172, 14895, 17715, 19198, 19860, 21258, 23620, 28797, 29790, 34249, 35430, 38396, 42516, 47995, 53145, 57594, 59580, 68498, 70860, 86391, 95990, 102747, 106290, 115188, 136996, 143985, 171245, 172782, 191980, 205494, 212580, 287970, 308241, 342490, 345564, 390911, 410988, 431955, 513735, 575940, 616482, 684980, 781822, 863910, 1027470, 1172733, 1232964, 1541205, 1563644, 1727820, 1954555, 2054940, 2345466, 3082410, 3518199, 3909110, 4690932, 5863665, 6164820, 7036398, 7818220, 11336419, 11727330, 14072796, 17590995, 22672838, 23454660, 34009257, 35181990, 45345676, 56682095, 68018514, 70363980, 102027771, 113364190, 136037028, 170046285, 204055542, 226728380, 340092570, 408111084, 510138855, 680185140, 1020277710, 2040555420]

約数ペア:

[(1, 2040555420), (2, 1020277710), (3, 680185140), (4, 510138855), (5, 408111084), (6, 340092570), (9, 226728380), (10, 204055542), (12, 170046285), (15, 136037028), (18, 113364190), (20, 102027771), (29, 70363980), (30, 68018514), (36, 56682095), (45, 45345676), (58, 35181990), (60, 34009257), (87, 23454660), (90, 22672838), (116, 17590995), (145, 14072796), (174, 11727330), (180, 11336419), (261, 7818220), (290, 7036398), (331, 6164820), (348, 5863665), (435, 4690932), (522, 3909110), (580, 3518199), (662, 3082410), (870, 2345466), (993, 2054940), (1044, 1954555), (1181, 1727820), (1305, 1563644), (1324, 1541205), (1655, 1232964), (1740, 1172733), (1986, 1027470), (2362, 863910), (2610, 781822), (2979, 684980), (3310, 616482), (3543, 575940), (3972, 513735), (4724, 431955), (4965, 410988), (5220, 390911), (5905, 345564), (5958, 342490), (6620, 308241), (7086, 287970), (9599, 212580), (9930, 205494), (10629, 191980), (11810, 172782), (11916, 171245), (14172, 143985), (14895, 136996), (17715, 115188), (19198, 106290), (19860, 102747), (21258, 95990), (23620, 86391), (28797, 70860), (29790, 68498), (34249, 59580), (35430, 57594), (38396, 53145), (42516, 47995)]