1242240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{647}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 3965760

約数和(自身を除く): 2723520

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, 128, 160, 192, 240, 320, 384, 480, 640, 647, 960, 1294, 1920, 1941, 2588, 3235, 3882, 5176, 6470, 7764, 9705, 10352, 12940, 15528, 19410, 20704, 25880, 31056, 38820, 41408, 51760, 62112, 77640, 82816, 103520, 124224, 155280, 207040, 248448, 310560, 414080, 621120, 1242240]

約数ペア:

[(1, 1242240), (2, 621120), (3, 414080), (4, 310560), (5, 248448), (6, 207040), (8, 155280), (10, 124224), (12, 103520), (15, 82816), (16, 77640), (20, 62112), (24, 51760), (30, 41408), (32, 38820), (40, 31056), (48, 25880), (60, 20704), (64, 19410), (80, 15528), (96, 12940), (120, 10352), (128, 9705), (160, 7764), (192, 6470), (240, 5176), (320, 3882), (384, 3235), (480, 2588), (640, 1941), (647, 1920), (960, 1294)]