280807440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1170031}}^1$

素因数の和:1170047

約数の個数: 40

約数和(自身を含む): 870503808

約数和(自身を除く): 589696368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1170031, 2340062, 3510093, 4680124, 5850155, 7020186, 9360248, 11700310, 14040372, 17550465, 18720496, 23400620, 28080744, 35100930, 46801240, 56161488, 70201860, 93602480, 140403720, 280807440]

約数ペア:

[(1, 280807440), (2, 140403720), (3, 93602480), (4, 70201860), (5, 56161488), (6, 46801240), (8, 35100930), (10, 28080744), (12, 23400620), (15, 18720496), (16, 17550465), (20, 14040372), (24, 11700310), (30, 9360248), (40, 7020186), (48, 5850155), (60, 4680124), (80, 3510093), (120, 2340062), (240, 1170031)]