28658520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7237}}^1$

素因数の和:7265

約数の個数: 96

約数和(自身を含む): 101621520

約数和(自身を除く): 72963000

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, 7237, 14474, 21711, 28948, 36185, 43422, 57896, 65133, 72370, 79607, 86844, 108555, 130266, 144740, 159214, 173688, 217110, 238821, 260532, 289480, 318428, 325665, 398035, 434220, 477642, 521064, 636856, 651330, 716463, 796070, 868440, 955284, 1194105, 1302660, 1432926, 1592140, 1910568, 2388210, 2605320, 2865852, 3184280, 3582315, 4776420, 5731704, 7164630, 9552840, 14329260, 28658520]

約数ペア:

[(1, 28658520), (2, 14329260), (3, 9552840), (4, 7164630), (5, 5731704), (6, 4776420), (8, 3582315), (9, 3184280), (10, 2865852), (11, 2605320), (12, 2388210), (15, 1910568), (18, 1592140), (20, 1432926), (22, 1302660), (24, 1194105), (30, 955284), (33, 868440), (36, 796070), (40, 716463), (44, 651330), (45, 636856), (55, 521064), (60, 477642), (66, 434220), (72, 398035), (88, 325665), (90, 318428), (99, 289480), (110, 260532), (120, 238821), (132, 217110), (165, 173688), (180, 159214), (198, 144740), (220, 130266), (264, 108555), (330, 86844), (360, 79607), (396, 72370), (440, 65133), (495, 57896), (660, 43422), (792, 36185), (990, 28948), (1320, 21711), (1980, 14474), (3960, 7237)]