1818366990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{757}}^1$

素因数の和:1058

約数の個数: 128

約数和(自身を含む): 4951134720

約数和(自身を除く): 3132767730

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 251, 290, 319, 330, 435, 502, 638, 753, 757, 870, 957, 1255, 1506, 1514, 1595, 1914, 2271, 2510, 2761, 3190, 3765, 3785, 4542, 4785, 5522, 7279, 7530, 7570, 8283, 8327, 9570, 11355, 13805, 14558, 16566, 16654, 21837, 21953, 22710, 24981, 27610, 36395, 41415, 41635, 43674, 43906, 49962, 65859, 72790, 80069, 82830, 83270, 109185, 109765, 124905, 131718, 160138, 190007, 218370, 219530, 240207, 241483, 249810, 329295, 380014, 400345, 480414, 482966, 570021, 658590, 724449, 800690, 950035, 1140042, 1201035, 1207415, 1448898, 1900070, 2090077, 2402070, 2414830, 2850105, 3622245, 4180154, 5510203, 5700210, 6270231, 7244490, 10450385, 11020406, 12540462, 16530609, 20900770, 27551015, 31351155, 33061218, 55102030, 60612233, 62702310, 82653045, 121224466, 165306090, 181836699, 303061165, 363673398, 606122330, 909183495, 1818366990]

約数ペア:

[(1, 1818366990), (2, 909183495), (3, 606122330), (5, 363673398), (6, 303061165), (10, 181836699), (11, 165306090), (15, 121224466), (22, 82653045), (29, 62702310), (30, 60612233), (33, 55102030), (55, 33061218), (58, 31351155), (66, 27551015), (87, 20900770), (110, 16530609), (145, 12540462), (165, 11020406), (174, 10450385), (251, 7244490), (290, 6270231), (319, 5700210), (330, 5510203), (435, 4180154), (502, 3622245), (638, 2850105), (753, 2414830), (757, 2402070), (870, 2090077), (957, 1900070), (1255, 1448898), (1506, 1207415), (1514, 1201035), (1595, 1140042), (1914, 950035), (2271, 800690), (2510, 724449), (2761, 658590), (3190, 570021), (3765, 482966), (3785, 480414), (4542, 400345), (4785, 380014), (5522, 329295), (7279, 249810), (7530, 241483), (7570, 240207), (8283, 219530), (8327, 218370), (9570, 190007), (11355, 160138), (13805, 131718), (14558, 124905), (16566, 109765), (16654, 109185), (21837, 83270), (21953, 82830), (22710, 80069), (24981, 72790), (27610, 65859), (36395, 49962), (41415, 43906), (41635, 43674)]