90789408

素因数分解:

$2^5\times 3^2\times {\mathrm{239}}^1\times {\mathrm{1319}}^1$

素因数の和:1574

約数の個数: 72

約数和(自身を含む): 259459200

約数和(自身を除く): 168669792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 239, 288, 478, 717, 956, 1319, 1434, 1912, 2151, 2638, 2868, 3824, 3957, 4302, 5276, 5736, 7648, 7914, 8604, 10552, 11472, 11871, 15828, 17208, 21104, 22944, 23742, 31656, 34416, 42208, 47484, 63312, 68832, 94968, 126624, 189936, 315241, 379872, 630482, 945723, 1260964, 1891446, 2521928, 2837169, 3782892, 5043856, 5674338, 7565784, 10087712, 11348676, 15131568, 22697352, 30263136, 45394704, 90789408]

約数ペア:

[(1, 90789408), (2, 45394704), (3, 30263136), (4, 22697352), (6, 15131568), (8, 11348676), (9, 10087712), (12, 7565784), (16, 5674338), (18, 5043856), (24, 3782892), (32, 2837169), (36, 2521928), (48, 1891446), (72, 1260964), (96, 945723), (144, 630482), (239, 379872), (288, 315241), (478, 189936), (717, 126624), (956, 94968), (1319, 68832), (1434, 63312), (1912, 47484), (2151, 42208), (2638, 34416), (2868, 31656), (3824, 23742), (3957, 22944), (4302, 21104), (5276, 17208), (5736, 15828), (7648, 11871), (7914, 11472), (8604, 10552)]