128685840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{536191}}^1$

素因数の和:536207

約数の個数: 40

約数和(自身を含む): 398926848

約数和(自身を除く): 270241008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 536191, 1072382, 1608573, 2144764, 2680955, 3217146, 4289528, 5361910, 6434292, 8042865, 8579056, 10723820, 12868584, 16085730, 21447640, 25737168, 32171460, 42895280, 64342920, 128685840]

約数ペア:

[(1, 128685840), (2, 64342920), (3, 42895280), (4, 32171460), (5, 25737168), (6, 21447640), (8, 16085730), (10, 12868584), (12, 10723820), (15, 8579056), (16, 8042865), (20, 6434292), (24, 5361910), (30, 4289528), (40, 3217146), (48, 2680955), (60, 2144764), (80, 1608573), (120, 1072382), (240, 536191)]