79842880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1129}}^1$

素因数の和:1176

約数の個数: 112

約数和(自身を含む): 216987120

約数和(自身を除く): 137144240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 680, 832, 884, 1040, 1088, 1105, 1129, 1360, 1768, 2080, 2210, 2258, 2720, 3536, 4160, 4420, 4516, 5440, 5645, 7072, 8840, 9032, 11290, 14144, 14677, 17680, 18064, 19193, 22580, 29354, 35360, 36128, 38386, 45160, 58708, 70720, 72256, 73385, 76772, 90320, 95965, 117416, 146770, 153544, 180640, 191930, 234832, 249509, 293540, 307088, 361280, 383860, 469664, 499018, 587080, 614176, 767720, 939328, 998036, 1174160, 1228352, 1247545, 1535440, 1996072, 2348320, 2495090, 3070880, 3992144, 4696640, 4990180, 6141760, 7984288, 9980360, 15968576, 19960720, 39921440, 79842880]

約数ペア:

[(1, 79842880), (2, 39921440), (4, 19960720), (5, 15968576), (8, 9980360), (10, 7984288), (13, 6141760), (16, 4990180), (17, 4696640), (20, 3992144), (26, 3070880), (32, 2495090), (34, 2348320), (40, 1996072), (52, 1535440), (64, 1247545), (65, 1228352), (68, 1174160), (80, 998036), (85, 939328), (104, 767720), (130, 614176), (136, 587080), (160, 499018), (170, 469664), (208, 383860), (221, 361280), (260, 307088), (272, 293540), (320, 249509), (340, 234832), (416, 191930), (442, 180640), (520, 153544), (544, 146770), (680, 117416), (832, 95965), (884, 90320), (1040, 76772), (1088, 73385), (1105, 72256), (1129, 70720), (1360, 58708), (1768, 45160), (2080, 38386), (2210, 36128), (2258, 35360), (2720, 29354), (3536, 22580), (4160, 19193), (4420, 18064), (4516, 17680), (5440, 14677), (5645, 14144), (7072, 11290), (8840, 9032)]