31390920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7927}}^1$

素因数の和:7955

約数の個数: 96

約数和(自身を含む): 111309120

約数和(自身を除く): 79918200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 7927, 15854, 23781, 31708, 39635, 47562, 63416, 71343, 79270, 87197, 95124, 118905, 142686, 158540, 174394, 190248, 237810, 261591, 285372, 317080, 348788, 356715, 435985, 475620, 523182, 570744, 697576, 713430, 784773, 871970, 951240, 1046364, 1307955, 1426860, 1569546, 1743940, 2092728, 2615910, 2853720, 3139092, 3487880, 3923865, 5231820, 6278184, 7847730, 10463640, 15695460, 31390920]

約数ペア:

[(1, 31390920), (2, 15695460), (3, 10463640), (4, 7847730), (5, 6278184), (6, 5231820), (8, 3923865), (9, 3487880), (10, 3139092), (11, 2853720), (12, 2615910), (15, 2092728), (18, 1743940), (20, 1569546), (22, 1426860), (24, 1307955), (30, 1046364), (33, 951240), (36, 871970), (40, 784773), (44, 713430), (45, 697576), (55, 570744), (60, 523182), (66, 475620), (72, 435985), (88, 356715), (90, 348788), (99, 317080), (110, 285372), (120, 261591), (132, 237810), (165, 190248), (180, 174394), (198, 158540), (220, 142686), (264, 118905), (330, 95124), (360, 87197), (396, 79270), (440, 71343), (495, 63416), (660, 47562), (792, 39635), (990, 31708), (1320, 23781), (1980, 15854), (3960, 7927)]