66506640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1531}}^1$

素因数の和:1728

約数の個数: 80

約数和(自身を含む): 207445056

約数和(自身を除く): 140938416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 181, 240, 362, 543, 724, 905, 1086, 1448, 1531, 1810, 2172, 2715, 2896, 3062, 3620, 4344, 4593, 5430, 6124, 7240, 7655, 8688, 9186, 10860, 12248, 14480, 15310, 18372, 21720, 22965, 24496, 30620, 36744, 43440, 45930, 61240, 73488, 91860, 122480, 183720, 277111, 367440, 554222, 831333, 1108444, 1385555, 1662666, 2216888, 2771110, 3325332, 4156665, 4433776, 5542220, 6650664, 8313330, 11084440, 13301328, 16626660, 22168880, 33253320, 66506640]

約数ペア:

[(1, 66506640), (2, 33253320), (3, 22168880), (4, 16626660), (5, 13301328), (6, 11084440), (8, 8313330), (10, 6650664), (12, 5542220), (15, 4433776), (16, 4156665), (20, 3325332), (24, 2771110), (30, 2216888), (40, 1662666), (48, 1385555), (60, 1108444), (80, 831333), (120, 554222), (181, 367440), (240, 277111), (362, 183720), (543, 122480), (724, 91860), (905, 73488), (1086, 61240), (1448, 45930), (1531, 43440), (1810, 36744), (2172, 30620), (2715, 24496), (2896, 22965), (3062, 21720), (3620, 18372), (4344, 15310), (4593, 14480), (5430, 12248), (6124, 10860), (7240, 9186), (7655, 8688)]