28317180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{691}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 79519104

約数和(自身を除く): 51201924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 683, 691, 1366, 1382, 2049, 2073, 2732, 2764, 3415, 3455, 4098, 4146, 6830, 6910, 8196, 8292, 10245, 10365, 13660, 13820, 20490, 20730, 40980, 41460, 471953, 943906, 1415859, 1887812, 2359765, 2831718, 4719530, 5663436, 7079295, 9439060, 14158590, 28317180]

約数ペア:

[(1, 28317180), (2, 14158590), (3, 9439060), (4, 7079295), (5, 5663436), (6, 4719530), (10, 2831718), (12, 2359765), (15, 1887812), (20, 1415859), (30, 943906), (60, 471953), (683, 41460), (691, 40980), (1366, 20730), (1382, 20490), (2049, 13820), (2073, 13660), (2732, 10365), (2764, 10245), (3415, 8292), (3455, 8196), (4098, 6910), (4146, 6830)]