2020155240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{7841}}^1$

素因数の和:7987

約数の個数: 128

約数和(自身を含む): 6436713600

約数和(自身を除く): 4416558360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 113, 114, 120, 152, 190, 226, 228, 285, 339, 380, 452, 456, 565, 570, 678, 760, 904, 1130, 1140, 1356, 1695, 2147, 2260, 2280, 2712, 3390, 4294, 4520, 6441, 6780, 7841, 8588, 10735, 12882, 13560, 15682, 17176, 21470, 23523, 25764, 31364, 32205, 39205, 42940, 47046, 51528, 62728, 64410, 78410, 85880, 94092, 117615, 128820, 148979, 156820, 188184, 235230, 257640, 297958, 313640, 446937, 470460, 595916, 744895, 886033, 893874, 940920, 1191832, 1489790, 1772066, 1787748, 2234685, 2658099, 2979580, 3544132, 3575496, 4430165, 4469370, 5316198, 5959160, 7088264, 8860330, 8938740, 10632396, 13290495, 16834627, 17720660, 17877480, 21264792, 26580990, 33669254, 35441320, 50503881, 53161980, 67338508, 84173135, 101007762, 106323960, 134677016, 168346270, 202015524, 252519405, 336692540, 404031048, 505038810, 673385080, 1010077620, 2020155240]

約数ペア:

[(1, 2020155240), (2, 1010077620), (3, 673385080), (4, 505038810), (5, 404031048), (6, 336692540), (8, 252519405), (10, 202015524), (12, 168346270), (15, 134677016), (19, 106323960), (20, 101007762), (24, 84173135), (30, 67338508), (38, 53161980), (40, 50503881), (57, 35441320), (60, 33669254), (76, 26580990), (95, 21264792), (113, 17877480), (114, 17720660), (120, 16834627), (152, 13290495), (190, 10632396), (226, 8938740), (228, 8860330), (285, 7088264), (339, 5959160), (380, 5316198), (452, 4469370), (456, 4430165), (565, 3575496), (570, 3544132), (678, 2979580), (760, 2658099), (904, 2234685), (1130, 1787748), (1140, 1772066), (1356, 1489790), (1695, 1191832), (2147, 940920), (2260, 893874), (2280, 886033), (2712, 744895), (3390, 595916), (4294, 470460), (4520, 446937), (6441, 313640), (6780, 297958), (7841, 257640), (8588, 235230), (10735, 188184), (12882, 156820), (13560, 148979), (15682, 128820), (17176, 117615), (21470, 94092), (23523, 85880), (25764, 78410), (31364, 64410), (32205, 62728), (39205, 51528), (42940, 47046)]