1821981920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{15451}}^1$

素因数の和:15544

約数の個数: 96

約数和(自身を含む): 4766138496

約数和(自身を除く): 2944156576

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 67, 80, 88, 110, 134, 160, 176, 220, 268, 335, 352, 440, 536, 670, 737, 880, 1072, 1340, 1474, 1760, 2144, 2680, 2948, 3685, 5360, 5896, 7370, 10720, 11792, 14740, 15451, 23584, 29480, 30902, 58960, 61804, 77255, 117920, 123608, 154510, 169961, 247216, 309020, 339922, 494432, 618040, 679844, 849805, 1035217, 1236080, 1359688, 1699610, 2070434, 2472160, 2719376, 3399220, 4140868, 5176085, 5438752, 6798440, 8281736, 10352170, 11387387, 13596880, 16563472, 20704340, 22774774, 27193760, 33126944, 41408680, 45549548, 56936935, 82817360, 91099096, 113873870, 165634720, 182198192, 227747740, 364396384, 455495480, 910990960, 1821981920]

約数ペア:

[(1, 1821981920), (2, 910990960), (4, 455495480), (5, 364396384), (8, 227747740), (10, 182198192), (11, 165634720), (16, 113873870), (20, 91099096), (22, 82817360), (32, 56936935), (40, 45549548), (44, 41408680), (55, 33126944), (67, 27193760), (80, 22774774), (88, 20704340), (110, 16563472), (134, 13596880), (160, 11387387), (176, 10352170), (220, 8281736), (268, 6798440), (335, 5438752), (352, 5176085), (440, 4140868), (536, 3399220), (670, 2719376), (737, 2472160), (880, 2070434), (1072, 1699610), (1340, 1359688), (1474, 1236080), (1760, 1035217), (2144, 849805), (2680, 679844), (2948, 618040), (3685, 494432), (5360, 339922), (5896, 309020), (7370, 247216), (10720, 169961), (11792, 154510), (14740, 123608), (15451, 117920), (23584, 77255), (29480, 61804), (30902, 58960)]