1216380960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{844709}}^1$

素因数の和:844730

約数の個数: 72

約数和(自身を含む): 4150904940

約数和(自身を除く): 2934523980

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, 844709, 1689418, 2534127, 3378836, 4223545, 5068254, 6757672, 7602381, 8447090, 10136508, 12670635, 13515344, 15204762, 16894180, 20273016, 25341270, 27030688, 30409524, 33788360, 38011905, 40546032, 50682540, 60819048, 67576720, 76023810, 81092064, 101365080, 121638096, 135153440, 152047620, 202730160, 243276192, 304095240, 405460320, 608190480, 1216380960]

約数ペア:

[(1, 1216380960), (2, 608190480), (3, 405460320), (4, 304095240), (5, 243276192), (6, 202730160), (8, 152047620), (9, 135153440), (10, 121638096), (12, 101365080), (15, 81092064), (16, 76023810), (18, 67576720), (20, 60819048), (24, 50682540), (30, 40546032), (32, 38011905), (36, 33788360), (40, 30409524), (45, 27030688), (48, 25341270), (60, 20273016), (72, 16894180), (80, 15204762), (90, 13515344), (96, 12670635), (120, 10136508), (144, 8447090), (160, 7602381), (180, 6757672), (240, 5068254), (288, 4223545), (360, 3378836), (480, 2534127), (720, 1689418), (1440, 844709)]