31328880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11867}}^1$

素因数の和:11894

約数の個数: 80

約数和(自身を含む): 105957504

約数和(自身を除く): 74628624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 11867, 23734, 35601, 47468, 59335, 71202, 94936, 118670, 130537, 142404, 178005, 189872, 237340, 261074, 284808, 356010, 391611, 474680, 522148, 569616, 652685, 712020, 783222, 949360, 1044296, 1305370, 1424040, 1566444, 1958055, 2088592, 2610740, 2848080, 3132888, 3916110, 5221480, 6265776, 7832220, 10442960, 15664440, 31328880]

約数ペア:

[(1, 31328880), (2, 15664440), (3, 10442960), (4, 7832220), (5, 6265776), (6, 5221480), (8, 3916110), (10, 3132888), (11, 2848080), (12, 2610740), (15, 2088592), (16, 1958055), (20, 1566444), (22, 1424040), (24, 1305370), (30, 1044296), (33, 949360), (40, 783222), (44, 712020), (48, 652685), (55, 569616), (60, 522148), (66, 474680), (80, 391611), (88, 356010), (110, 284808), (120, 261074), (132, 237340), (165, 189872), (176, 178005), (220, 142404), (240, 130537), (264, 118670), (330, 94936), (440, 71202), (528, 59335), (660, 47468), (880, 35601), (1320, 23734), (2640, 11867)]