15332620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 34241760

約数和(自身を除く): 18909140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 257, 314, 380, 514, 628, 785, 1028, 1285, 1570, 2570, 2983, 3140, 4883, 5140, 5966, 9766, 11932, 14915, 19532, 24415, 29830, 40349, 48830, 59660, 80698, 97660, 161396, 201745, 403490, 766631, 806980, 1533262, 3066524, 3833155, 7666310, 15332620]

約数ペア:

[(1, 15332620), (2, 7666310), (4, 3833155), (5, 3066524), (10, 1533262), (19, 806980), (20, 766631), (38, 403490), (76, 201745), (95, 161396), (157, 97660), (190, 80698), (257, 59660), (314, 48830), (380, 40349), (514, 29830), (628, 24415), (785, 19532), (1028, 14915), (1285, 11932), (1570, 9766), (2570, 5966), (2983, 5140), (3140, 4883)]