13870620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{293}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 42378336

約数和(自身を除く): 28507716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 293, 526, 586, 789, 879, 1052, 1172, 1315, 1465, 1578, 1758, 2367, 2630, 2637, 2930, 3156, 3516, 3945, 4395, 4734, 5260, 5274, 5860, 7890, 8790, 9468, 10548, 11835, 13185, 15780, 17580, 23670, 26370, 47340, 52740, 77059, 154118, 231177, 308236, 385295, 462354, 693531, 770590, 924708, 1155885, 1387062, 1541180, 2311770, 2774124, 3467655, 4623540, 6935310, 13870620]

約数ペア:

[(1, 13870620), (2, 6935310), (3, 4623540), (4, 3467655), (5, 2774124), (6, 2311770), (9, 1541180), (10, 1387062), (12, 1155885), (15, 924708), (18, 770590), (20, 693531), (30, 462354), (36, 385295), (45, 308236), (60, 231177), (90, 154118), (180, 77059), (263, 52740), (293, 47340), (526, 26370), (586, 23670), (789, 17580), (879, 15780), (1052, 13185), (1172, 11835), (1315, 10548), (1465, 9468), (1578, 8790), (1758, 7890), (2367, 5860), (2630, 5274), (2637, 5260), (2930, 4734), (3156, 4395), (3516, 3945)]