621120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{647}}^1$

素因数の和:667

約数の個数: 56

約数和(自身を含む): 1975104

約数和(自身を除く): 1353984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 647, 960, 1294, 1941, 2588, 3235, 3882, 5176, 6470, 7764, 9705, 10352, 12940, 15528, 19410, 20704, 25880, 31056, 38820, 41408, 51760, 62112, 77640, 103520, 124224, 155280, 207040, 310560, 621120]

約数ペア:

[(1, 621120), (2, 310560), (3, 207040), (4, 155280), (5, 124224), (6, 103520), (8, 77640), (10, 62112), (12, 51760), (15, 41408), (16, 38820), (20, 31056), (24, 25880), (30, 20704), (32, 19410), (40, 15528), (48, 12940), (60, 10352), (64, 9705), (80, 7764), (96, 6470), (120, 5176), (160, 3882), (192, 3235), (240, 2588), (320, 1941), (480, 1294), (647, 960)]