20181025560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{28279}}^1$

素因数の和:28625

約数の個数: 128

約数和(自身を含む): 63935424000

約数和(自身を除く): 43754398440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 313, 380, 456, 570, 626, 760, 939, 1140, 1252, 1565, 1878, 2280, 2504, 3130, 3756, 4695, 5947, 6260, 7512, 9390, 11894, 12520, 17841, 18780, 23788, 28279, 29735, 35682, 37560, 47576, 56558, 59470, 71364, 84837, 89205, 113116, 118940, 141395, 142728, 169674, 178410, 226232, 237880, 282790, 339348, 356820, 424185, 537301, 565580, 678696, 713640, 848370, 1074602, 1131160, 1611903, 1696740, 2149204, 2686505, 3223806, 3393480, 4298408, 5373010, 6447612, 8059515, 8851327, 10746020, 12895224, 16119030, 17702654, 21492040, 26553981, 32238060, 35405308, 44256635, 53107962, 64476120, 70810616, 88513270, 106215924, 132769905, 168175213, 177026540, 212431848, 265539810, 336350426, 354053080, 504525639, 531079620, 672700852, 840876065, 1009051278, 1062159240, 1345401704, 1681752130, 2018102556, 2522628195, 3363504260, 4036205112, 5045256390, 6727008520, 10090512780, 20181025560]

約数ペア:

[(1, 20181025560), (2, 10090512780), (3, 6727008520), (4, 5045256390), (5, 4036205112), (6, 3363504260), (8, 2522628195), (10, 2018102556), (12, 1681752130), (15, 1345401704), (19, 1062159240), (20, 1009051278), (24, 840876065), (30, 672700852), (38, 531079620), (40, 504525639), (57, 354053080), (60, 336350426), (76, 265539810), (95, 212431848), (114, 177026540), (120, 168175213), (152, 132769905), (190, 106215924), (228, 88513270), (285, 70810616), (313, 64476120), (380, 53107962), (456, 44256635), (570, 35405308), (626, 32238060), (760, 26553981), (939, 21492040), (1140, 17702654), (1252, 16119030), (1565, 12895224), (1878, 10746020), (2280, 8851327), (2504, 8059515), (3130, 6447612), (3756, 5373010), (4695, 4298408), (5947, 3393480), (6260, 3223806), (7512, 2686505), (9390, 2149204), (11894, 1696740), (12520, 1611903), (17841, 1131160), (18780, 1074602), (23788, 848370), (28279, 713640), (29735, 678696), (35682, 565580), (37560, 537301), (47576, 424185), (56558, 356820), (59470, 339348), (71364, 282790), (84837, 237880), (89205, 226232), (113116, 178410), (118940, 169674), (141395, 142728)]