80616780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1973}}^1$

素因数の和:2215

約数の個数: 72

約数和(自身を含む): 245739312

約数和(自身を除く): 165122532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 1135, 1362, 1973, 2043, 2270, 2724, 3405, 3946, 4086, 4540, 5919, 6810, 7892, 8172, 9865, 10215, 11838, 13620, 17757, 19730, 20430, 23676, 29595, 35514, 39460, 40860, 59190, 71028, 88785, 118380, 177570, 355140, 447871, 895742, 1343613, 1791484, 2239355, 2687226, 4030839, 4478710, 5374452, 6718065, 8061678, 8957420, 13436130, 16123356, 20154195, 26872260, 40308390, 80616780]

約数ペア:

[(1, 80616780), (2, 40308390), (3, 26872260), (4, 20154195), (5, 16123356), (6, 13436130), (9, 8957420), (10, 8061678), (12, 6718065), (15, 5374452), (18, 4478710), (20, 4030839), (30, 2687226), (36, 2239355), (45, 1791484), (60, 1343613), (90, 895742), (180, 447871), (227, 355140), (454, 177570), (681, 118380), (908, 88785), (1135, 71028), (1362, 59190), (1973, 40860), (2043, 39460), (2270, 35514), (2724, 29595), (3405, 23676), (3946, 20430), (4086, 19730), (4540, 17757), (5919, 13620), (6810, 11838), (7892, 10215), (8172, 9865)]