56661540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72643}}^1$

素因数の和:72668

約数の個数: 48

約数和(自身を含む): 170858688

約数和(自身を除く): 114197148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 72643, 145286, 217929, 290572, 363215, 435858, 726430, 871716, 944359, 1089645, 1452860, 1888718, 2179290, 2833077, 3777436, 4358580, 4721795, 5666154, 9443590, 11332308, 14165385, 18887180, 28330770, 56661540]

約数ペア:

[(1, 56661540), (2, 28330770), (3, 18887180), (4, 14165385), (5, 11332308), (6, 9443590), (10, 5666154), (12, 4721795), (13, 4358580), (15, 3777436), (20, 2833077), (26, 2179290), (30, 1888718), (39, 1452860), (52, 1089645), (60, 944359), (65, 871716), (78, 726430), (130, 435858), (156, 363215), (195, 290572), (260, 217929), (390, 145286), (780, 72643)]