128944560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{537269}}^1$

素因数の和:537285

約数の個数: 40

約数和(自身を含む): 399728880

約数和(自身を除く): 270784320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 537269, 1074538, 1611807, 2149076, 2686345, 3223614, 4298152, 5372690, 6447228, 8059035, 8596304, 10745380, 12894456, 16118070, 21490760, 25788912, 32236140, 42981520, 64472280, 128944560]

約数ペア:

[(1, 128944560), (2, 64472280), (3, 42981520), (4, 32236140), (5, 25788912), (6, 21490760), (8, 16118070), (10, 12894456), (12, 10745380), (15, 8596304), (16, 8059035), (20, 6447228), (24, 5372690), (30, 4298152), (40, 3223614), (48, 2686345), (60, 2149076), (80, 1611807), (120, 1074538), (240, 537269)]