15422220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7789}}^1$

素因数の和:7815

約数の個数: 72

約数和(自身を含む): 51040080

約数和(自身を除く): 35617860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 7789, 15578, 23367, 31156, 38945, 46734, 70101, 77890, 85679, 93468, 116835, 140202, 155780, 171358, 233670, 257037, 280404, 342716, 350505, 428395, 467340, 514074, 701010, 771111, 856790, 1028148, 1285185, 1402020, 1542222, 1713580, 2570370, 3084444, 3855555, 5140740, 7711110, 15422220]

約数ペア:

[(1, 15422220), (2, 7711110), (3, 5140740), (4, 3855555), (5, 3084444), (6, 2570370), (9, 1713580), (10, 1542222), (11, 1402020), (12, 1285185), (15, 1028148), (18, 856790), (20, 771111), (22, 701010), (30, 514074), (33, 467340), (36, 428395), (44, 350505), (45, 342716), (55, 280404), (60, 257037), (66, 233670), (90, 171358), (99, 155780), (110, 140202), (132, 116835), (165, 93468), (180, 85679), (198, 77890), (220, 70101), (330, 46734), (396, 38945), (495, 31156), (660, 23367), (990, 15578), (1980, 7789)]