2807580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 7981344

約数和(自身を除く): 5173764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 641, 730, 876, 1095, 1282, 1460, 1923, 2190, 2564, 3205, 3846, 4380, 6410, 7692, 9615, 12820, 19230, 38460, 46793, 93586, 140379, 187172, 233965, 280758, 467930, 561516, 701895, 935860, 1403790, 2807580]

約数ペア:

[(1, 2807580), (2, 1403790), (3, 935860), (4, 701895), (5, 561516), (6, 467930), (10, 280758), (12, 233965), (15, 187172), (20, 140379), (30, 93586), (60, 46793), (73, 38460), (146, 19230), (219, 12820), (292, 9615), (365, 7692), (438, 6410), (641, 4380), (730, 3846), (876, 3205), (1095, 2564), (1282, 2190), (1460, 1923)]