18090160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 46773792

約数和(自身を除く): 28683632

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 337, 440, 488, 610, 671, 674, 880, 976, 1220, 1342, 1348, 1685, 2440, 2684, 2696, 3355, 3370, 3707, 4880, 5368, 5392, 6710, 6740, 7414, 10736, 13420, 13480, 14828, 18535, 20557, 26840, 26960, 29656, 37070, 41114, 53680, 59312, 74140, 82228, 102785, 148280, 164456, 205570, 226127, 296560, 328912, 411140, 452254, 822280, 904508, 1130635, 1644560, 1809016, 2261270, 3618032, 4522540, 9045080, 18090160]

約数ペア:

[(1, 18090160), (2, 9045080), (4, 4522540), (5, 3618032), (8, 2261270), (10, 1809016), (11, 1644560), (16, 1130635), (20, 904508), (22, 822280), (40, 452254), (44, 411140), (55, 328912), (61, 296560), (80, 226127), (88, 205570), (110, 164456), (122, 148280), (176, 102785), (220, 82228), (244, 74140), (305, 59312), (337, 53680), (440, 41114), (488, 37070), (610, 29656), (671, 26960), (674, 26840), (880, 20557), (976, 18535), (1220, 14828), (1342, 13480), (1348, 13420), (1685, 10736), (2440, 7414), (2684, 6740), (2696, 6710), (3355, 5392), (3370, 5368), (3707, 4880)]