128373660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:857

約数の個数: 120

約数和(自身を含む): 406966560

約数和(自身を除く): 278592900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 109, 135, 162, 180, 218, 270, 324, 327, 405, 436, 540, 545, 654, 727, 810, 981, 1090, 1308, 1454, 1620, 1635, 1962, 2180, 2181, 2908, 2943, 3270, 3635, 3924, 4362, 4905, 5886, 6540, 6543, 7270, 8724, 8829, 9810, 10905, 11772, 13086, 14540, 14715, 17658, 19620, 19629, 21810, 26172, 29430, 32715, 35316, 39258, 43620, 44145, 58860, 58887, 65430, 78516, 79243, 88290, 98145, 117774, 130860, 158486, 176580, 196290, 235548, 237729, 294435, 316972, 392580, 396215, 475458, 588870, 713187, 792430, 950916, 1177740, 1188645, 1426374, 1584860, 2139561, 2377290, 2852748, 3565935, 4279122, 4754580, 6418683, 7131870, 8558244, 10697805, 12837366, 14263740, 21395610, 25674732, 32093415, 42791220, 64186830, 128373660]

約数ペア:

[(1, 128373660), (2, 64186830), (3, 42791220), (4, 32093415), (5, 25674732), (6, 21395610), (9, 14263740), (10, 12837366), (12, 10697805), (15, 8558244), (18, 7131870), (20, 6418683), (27, 4754580), (30, 4279122), (36, 3565935), (45, 2852748), (54, 2377290), (60, 2139561), (81, 1584860), (90, 1426374), (108, 1188645), (109, 1177740), (135, 950916), (162, 792430), (180, 713187), (218, 588870), (270, 475458), (324, 396215), (327, 392580), (405, 316972), (436, 294435), (540, 237729), (545, 235548), (654, 196290), (727, 176580), (810, 158486), (981, 130860), (1090, 117774), (1308, 98145), (1454, 88290), (1620, 79243), (1635, 78516), (1962, 65430), (2180, 58887), (2181, 58860), (2908, 44145), (2943, 43620), (3270, 39258), (3635, 35316), (3924, 32715), (4362, 29430), (4905, 26172), (5886, 21810), (6540, 19629), (6543, 19620), (7270, 17658), (8724, 14715), (8829, 14540), (9810, 13086), (10905, 11772)]