2015901920

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{2593}}^1$

素因数の和:2764

約数の個数: 96

約数和(自身を含む): 4918348512

約数和(自身を除く): 2902446592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 113, 160, 172, 215, 226, 344, 430, 452, 565, 688, 860, 904, 1130, 1376, 1720, 1808, 2260, 2593, 3440, 3616, 4520, 4859, 5186, 6880, 9040, 9718, 10372, 12965, 18080, 19436, 20744, 24295, 25930, 38872, 41488, 48590, 51860, 77744, 82976, 97180, 103720, 111499, 155488, 194360, 207440, 222998, 293009, 388720, 414880, 445996, 557495, 586018, 777440, 891992, 1114990, 1172036, 1465045, 1783984, 2229980, 2344072, 2930090, 3567968, 4459960, 4688144, 5860180, 8919920, 9376288, 11720360, 12599387, 17839840, 23440720, 25198774, 46881440, 50397548, 62996935, 100795096, 125993870, 201590192, 251987740, 403180384, 503975480, 1007950960, 2015901920]

約数ペア:

[(1, 2015901920), (2, 1007950960), (4, 503975480), (5, 403180384), (8, 251987740), (10, 201590192), (16, 125993870), (20, 100795096), (32, 62996935), (40, 50397548), (43, 46881440), (80, 25198774), (86, 23440720), (113, 17839840), (160, 12599387), (172, 11720360), (215, 9376288), (226, 8919920), (344, 5860180), (430, 4688144), (452, 4459960), (565, 3567968), (688, 2930090), (860, 2344072), (904, 2229980), (1130, 1783984), (1376, 1465045), (1720, 1172036), (1808, 1114990), (2260, 891992), (2593, 777440), (3440, 586018), (3616, 557495), (4520, 445996), (4859, 414880), (5186, 388720), (6880, 293009), (9040, 222998), (9718, 207440), (10372, 194360), (12965, 155488), (18080, 111499), (19436, 103720), (20744, 97180), (24295, 82976), (25930, 77744), (38872, 51860), (41488, 48590)]