16553220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1049}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 30016380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 1049, 1052, 1315, 1578, 2098, 2630, 3147, 3156, 3945, 4196, 5245, 5260, 6294, 7890, 10490, 12588, 15735, 15780, 20980, 31470, 62940, 275887, 551774, 827661, 1103548, 1379435, 1655322, 2758870, 3310644, 4138305, 5517740, 8276610, 16553220]

約数ペア:

[(1, 16553220), (2, 8276610), (3, 5517740), (4, 4138305), (5, 3310644), (6, 2758870), (10, 1655322), (12, 1379435), (15, 1103548), (20, 827661), (30, 551774), (60, 275887), (263, 62940), (526, 31470), (789, 20980), (1049, 15780), (1052, 15735), (1315, 12588), (1578, 10490), (2098, 7890), (2630, 6294), (3147, 5260), (3156, 5245), (3945, 4196)]