71379440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2797}}^1$

素因数の和:2850

約数の個数: 80

約数和(自身を含む): 187354080

約数和(自身を除く): 115974640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 2797, 3190, 5104, 5594, 6380, 11188, 12760, 13985, 22376, 25520, 27970, 30767, 44752, 55940, 61534, 81113, 111880, 123068, 153835, 162226, 223760, 246136, 307670, 324452, 405565, 492272, 615340, 648904, 811130, 892243, 1230680, 1297808, 1622260, 1784486, 2461360, 3244520, 3568972, 4461215, 6489040, 7137944, 8922430, 14275888, 17844860, 35689720, 71379440]

約数ペア:

[(1, 71379440), (2, 35689720), (4, 17844860), (5, 14275888), (8, 8922430), (10, 7137944), (11, 6489040), (16, 4461215), (20, 3568972), (22, 3244520), (29, 2461360), (40, 1784486), (44, 1622260), (55, 1297808), (58, 1230680), (80, 892243), (88, 811130), (110, 648904), (116, 615340), (145, 492272), (176, 405565), (220, 324452), (232, 307670), (290, 246136), (319, 223760), (440, 162226), (464, 153835), (580, 123068), (638, 111880), (880, 81113), (1160, 61534), (1276, 55940), (1595, 44752), (2320, 30767), (2552, 27970), (2797, 25520), (3190, 22376), (5104, 13985), (5594, 12760), (6380, 11188)]