13397220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{283}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 40936896

約数和(自身を除く): 27539676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 283, 526, 566, 789, 849, 1052, 1132, 1315, 1415, 1578, 1698, 2367, 2547, 2630, 2830, 3156, 3396, 3945, 4245, 4734, 5094, 5260, 5660, 7890, 8490, 9468, 10188, 11835, 12735, 15780, 16980, 23670, 25470, 47340, 50940, 74429, 148858, 223287, 297716, 372145, 446574, 669861, 744290, 893148, 1116435, 1339722, 1488580, 2232870, 2679444, 3349305, 4465740, 6698610, 13397220]

約数ペア:

[(1, 13397220), (2, 6698610), (3, 4465740), (4, 3349305), (5, 2679444), (6, 2232870), (9, 1488580), (10, 1339722), (12, 1116435), (15, 893148), (18, 744290), (20, 669861), (30, 446574), (36, 372145), (45, 297716), (60, 223287), (90, 148858), (180, 74429), (263, 50940), (283, 47340), (526, 25470), (566, 23670), (789, 16980), (849, 15780), (1052, 12735), (1132, 11835), (1315, 10188), (1415, 9468), (1578, 8490), (1698, 7890), (2367, 5660), (2547, 5260), (2630, 5094), (2830, 4734), (3156, 4245), (3396, 3945)]