71542260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1663}}^1$

素因数の和:1917

約数の個数: 72

約数和(自身を含む): 218050560

約数和(自身を除く): 146508300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 1663, 2151, 2390, 2868, 3326, 3585, 4302, 4780, 4989, 6652, 7170, 8315, 8604, 9978, 10755, 14340, 14967, 16630, 19956, 21510, 24945, 29934, 33260, 43020, 49890, 59868, 74835, 99780, 149670, 299340, 397457, 794914, 1192371, 1589828, 1987285, 2384742, 3577113, 3974570, 4769484, 5961855, 7154226, 7949140, 11923710, 14308452, 17885565, 23847420, 35771130, 71542260]

約数ペア:

[(1, 71542260), (2, 35771130), (3, 23847420), (4, 17885565), (5, 14308452), (6, 11923710), (9, 7949140), (10, 7154226), (12, 5961855), (15, 4769484), (18, 3974570), (20, 3577113), (30, 2384742), (36, 1987285), (45, 1589828), (60, 1192371), (90, 794914), (180, 397457), (239, 299340), (478, 149670), (717, 99780), (956, 74835), (1195, 59868), (1434, 49890), (1663, 43020), (2151, 33260), (2390, 29934), (2868, 24945), (3326, 21510), (3585, 19956), (4302, 16630), (4780, 14967), (4989, 14340), (6652, 10755), (7170, 9978), (8315, 8604)]