208380960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{144709}}^1$

素因数の和:144730

約数の個数: 72

約数和(自身を含む): 711104940

約数和(自身を除く): 502723980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 144709, 289418, 434127, 578836, 723545, 868254, 1157672, 1302381, 1447090, 1736508, 2170635, 2315344, 2604762, 2894180, 3473016, 4341270, 4630688, 5209524, 5788360, 6511905, 6946032, 8682540, 10419048, 11576720, 13023810, 13892064, 17365080, 20838096, 23153440, 26047620, 34730160, 41676192, 52095240, 69460320, 104190480, 208380960]

約数ペア:

[(1, 208380960), (2, 104190480), (3, 69460320), (4, 52095240), (5, 41676192), (6, 34730160), (8, 26047620), (9, 23153440), (10, 20838096), (12, 17365080), (15, 13892064), (16, 13023810), (18, 11576720), (20, 10419048), (24, 8682540), (30, 6946032), (32, 6511905), (36, 5788360), (40, 5209524), (45, 4630688), (48, 4341270), (60, 3473016), (72, 2894180), (80, 2604762), (90, 2315344), (96, 2170635), (120, 1736508), (144, 1447090), (160, 1302381), (180, 1157672), (240, 868254), (288, 723545), (360, 578836), (480, 434127), (720, 289418), (1440, 144709)]