78553280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:874

約数の個数: 112

約数和(自身を含む): 210458304

約数和(自身を除く): 131905024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 320, 368, 416, 460, 520, 598, 736, 821, 832, 920, 1040, 1196, 1472, 1495, 1642, 1840, 2080, 2392, 2990, 3284, 3680, 4105, 4160, 4784, 5980, 6568, 7360, 8210, 9568, 10673, 11960, 13136, 16420, 18883, 19136, 21346, 23920, 26272, 32840, 37766, 42692, 47840, 52544, 53365, 65680, 75532, 85384, 94415, 95680, 106730, 131360, 151064, 170768, 188830, 213460, 245479, 262720, 302128, 341536, 377660, 426920, 490958, 604256, 683072, 755320, 853840, 981916, 1208512, 1227395, 1510640, 1707680, 1963832, 2454790, 3021280, 3415360, 3927664, 4909580, 6042560, 7855328, 9819160, 15710656, 19638320, 39276640, 78553280]

約数ペア:

[(1, 78553280), (2, 39276640), (4, 19638320), (5, 15710656), (8, 9819160), (10, 7855328), (13, 6042560), (16, 4909580), (20, 3927664), (23, 3415360), (26, 3021280), (32, 2454790), (40, 1963832), (46, 1707680), (52, 1510640), (64, 1227395), (65, 1208512), (80, 981916), (92, 853840), (104, 755320), (115, 683072), (130, 604256), (160, 490958), (184, 426920), (208, 377660), (230, 341536), (260, 302128), (299, 262720), (320, 245479), (368, 213460), (416, 188830), (460, 170768), (520, 151064), (598, 131360), (736, 106730), (821, 95680), (832, 94415), (920, 85384), (1040, 75532), (1196, 65680), (1472, 53365), (1495, 52544), (1642, 47840), (1840, 42692), (2080, 37766), (2392, 32840), (2990, 26272), (3284, 23920), (3680, 21346), (4105, 19136), (4160, 18883), (4784, 16420), (5980, 13136), (6568, 11960), (7360, 10673), (8210, 9568)]