28127880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7103}}^1$

素因数の和:7131

約数の個数: 96

約数和(自身を含む): 99740160

約数和(自身を除く): 71612280

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, 7103, 14206, 21309, 28412, 35515, 42618, 56824, 63927, 71030, 78133, 85236, 106545, 127854, 142060, 156266, 170472, 213090, 234399, 255708, 284120, 312532, 319635, 390665, 426180, 468798, 511416, 625064, 639270, 703197, 781330, 852360, 937596, 1171995, 1278540, 1406394, 1562660, 1875192, 2343990, 2557080, 2812788, 3125320, 3515985, 4687980, 5625576, 7031970, 9375960, 14063940, 28127880]

約数ペア:

[(1, 28127880), (2, 14063940), (3, 9375960), (4, 7031970), (5, 5625576), (6, 4687980), (8, 3515985), (9, 3125320), (10, 2812788), (11, 2557080), (12, 2343990), (15, 1875192), (18, 1562660), (20, 1406394), (22, 1278540), (24, 1171995), (30, 937596), (33, 852360), (36, 781330), (40, 703197), (44, 639270), (45, 625064), (55, 511416), (60, 468798), (66, 426180), (72, 390665), (88, 319635), (90, 312532), (99, 284120), (110, 255708), (120, 234399), (132, 213090), (165, 170472), (180, 156266), (198, 142060), (220, 127854), (264, 106545), (330, 85236), (360, 78133), (396, 71030), (440, 63927), (495, 56824), (660, 42618), (792, 35515), (990, 28412), (1320, 21309), (1980, 14206), (3960, 7103)]