72706960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 180564336

約数和(自身を除く): 107857376

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 193, 272, 277, 340, 386, 554, 680, 772, 965, 1108, 1360, 1385, 1544, 1930, 2216, 2770, 3088, 3281, 3860, 4432, 4709, 5540, 6562, 7720, 9418, 11080, 13124, 15440, 16405, 18836, 22160, 23545, 26248, 32810, 37672, 47090, 52496, 53461, 65620, 75344, 94180, 106922, 131240, 188360, 213844, 262480, 267305, 376720, 427688, 534610, 855376, 908837, 1069220, 1817674, 2138440, 3635348, 4276880, 4544185, 7270696, 9088370, 14541392, 18176740, 36353480, 72706960]

約数ペア:

[(1, 72706960), (2, 36353480), (4, 18176740), (5, 14541392), (8, 9088370), (10, 7270696), (16, 4544185), (17, 4276880), (20, 3635348), (34, 2138440), (40, 1817674), (68, 1069220), (80, 908837), (85, 855376), (136, 534610), (170, 427688), (193, 376720), (272, 267305), (277, 262480), (340, 213844), (386, 188360), (554, 131240), (680, 106922), (772, 94180), (965, 75344), (1108, 65620), (1360, 53461), (1385, 52496), (1544, 47090), (1930, 37672), (2216, 32810), (2770, 26248), (3088, 23545), (3281, 22160), (3860, 18836), (4432, 16405), (4709, 15440), (5540, 13124), (6562, 11080), (7720, 9418)]