64740960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{44959}}^1$

素因数の和:44980

約数の個数: 72

約数和(自身を含む): 220933440

約数和(自身を除く): 156192480

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, 44959, 89918, 134877, 179836, 224795, 269754, 359672, 404631, 449590, 539508, 674385, 719344, 809262, 899180, 1079016, 1348770, 1438688, 1618524, 1798360, 2023155, 2158032, 2697540, 3237048, 3596720, 4046310, 4316064, 5395080, 6474096, 7193440, 8092620, 10790160, 12948192, 16185240, 21580320, 32370480, 64740960]

約数ペア:

[(1, 64740960), (2, 32370480), (3, 21580320), (4, 16185240), (5, 12948192), (6, 10790160), (8, 8092620), (9, 7193440), (10, 6474096), (12, 5395080), (15, 4316064), (16, 4046310), (18, 3596720), (20, 3237048), (24, 2697540), (30, 2158032), (32, 2023155), (36, 1798360), (40, 1618524), (45, 1438688), (48, 1348770), (60, 1079016), (72, 899180), (80, 809262), (90, 719344), (96, 674385), (120, 539508), (144, 449590), (160, 404631), (180, 359672), (240, 269754), (288, 224795), (360, 179836), (480, 134877), (720, 89918), (1440, 44959)]