1230780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 3505824

約数和(自身を除く): 2275044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 281, 292, 365, 438, 562, 730, 843, 876, 1095, 1124, 1405, 1460, 1686, 2190, 2810, 3372, 4215, 4380, 5620, 8430, 16860, 20513, 41026, 61539, 82052, 102565, 123078, 205130, 246156, 307695, 410260, 615390, 1230780]

約数ペア:

[(1, 1230780), (2, 615390), (3, 410260), (4, 307695), (5, 246156), (6, 205130), (10, 123078), (12, 102565), (15, 82052), (20, 61539), (30, 41026), (60, 20513), (73, 16860), (146, 8430), (219, 5620), (281, 4380), (292, 4215), (365, 3372), (438, 2810), (562, 2190), (730, 1686), (843, 1460), (876, 1405), (1095, 1124)]