87655560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1129}}^1$

素因数の和:1790

約数の個数: 64

約数和(自身を含む): 263606400

約数和(自身を除く): 175950840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647, 1129, 1294, 1941, 2258, 2588, 3235, 3387, 3882, 4516, 5176, 5645, 6470, 6774, 7764, 9032, 9705, 11290, 12940, 13548, 15528, 16935, 19410, 22580, 25880, 27096, 33870, 38820, 45160, 67740, 77640, 135480, 730463, 1460926, 2191389, 2921852, 3652315, 4382778, 5843704, 7304630, 8765556, 10956945, 14609260, 17531112, 21913890, 29218520, 43827780, 87655560]

約数ペア:

[(1, 87655560), (2, 43827780), (3, 29218520), (4, 21913890), (5, 17531112), (6, 14609260), (8, 10956945), (10, 8765556), (12, 7304630), (15, 5843704), (20, 4382778), (24, 3652315), (30, 2921852), (40, 2191389), (60, 1460926), (120, 730463), (647, 135480), (1129, 77640), (1294, 67740), (1941, 45160), (2258, 38820), (2588, 33870), (3235, 27096), (3387, 25880), (3882, 22580), (4516, 19410), (5176, 16935), (5645, 15528), (6470, 13548), (6774, 12940), (7764, 11290), (9032, 9705)]