15849203920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{47521}}^1$

素因数の和:47924

約数の個数: 80

約数和(自身を含む): 40306259520

約数和(自身を除く): 24457055600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 379, 440, 758, 880, 1516, 1895, 3032, 3790, 4169, 6064, 7580, 8338, 15160, 16676, 20845, 30320, 33352, 41690, 47521, 66704, 83380, 95042, 166760, 190084, 237605, 333520, 380168, 475210, 522731, 760336, 950420, 1045462, 1900840, 2090924, 2613655, 3801680, 4181848, 5227310, 8363696, 10454620, 18010459, 20909240, 36020918, 41818480, 72041836, 90052295, 144083672, 180104590, 198115049, 288167344, 360209180, 396230098, 720418360, 792460196, 990575245, 1440836720, 1584920392, 1981150490, 3169840784, 3962300980, 7924601960, 15849203920]

約数ペア:

[(1, 15849203920), (2, 7924601960), (4, 3962300980), (5, 3169840784), (8, 1981150490), (10, 1584920392), (11, 1440836720), (16, 990575245), (20, 792460196), (22, 720418360), (40, 396230098), (44, 360209180), (55, 288167344), (80, 198115049), (88, 180104590), (110, 144083672), (176, 90052295), (220, 72041836), (379, 41818480), (440, 36020918), (758, 20909240), (880, 18010459), (1516, 10454620), (1895, 8363696), (3032, 5227310), (3790, 4181848), (4169, 3801680), (6064, 2613655), (7580, 2090924), (8338, 1900840), (15160, 1045462), (16676, 950420), (20845, 760336), (30320, 522731), (33352, 475210), (41690, 380168), (47521, 333520), (66704, 237605), (83380, 190084), (95042, 166760)]