28539720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7207}}^1$

素因数の和:7235

約数の個数: 96

約数和(自身を含む): 101200320

約数和(自身を除く): 72660600

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, 7207, 14414, 21621, 28828, 36035, 43242, 57656, 64863, 72070, 79277, 86484, 108105, 129726, 144140, 158554, 172968, 216210, 237831, 259452, 288280, 317108, 324315, 396385, 432420, 475662, 518904, 634216, 648630, 713493, 792770, 864840, 951324, 1189155, 1297260, 1426986, 1585540, 1902648, 2378310, 2594520, 2853972, 3171080, 3567465, 4756620, 5707944, 7134930, 9513240, 14269860, 28539720]

約数ペア:

[(1, 28539720), (2, 14269860), (3, 9513240), (4, 7134930), (5, 5707944), (6, 4756620), (8, 3567465), (9, 3171080), (10, 2853972), (11, 2594520), (12, 2378310), (15, 1902648), (18, 1585540), (20, 1426986), (22, 1297260), (24, 1189155), (30, 951324), (33, 864840), (36, 792770), (40, 713493), (44, 648630), (45, 634216), (55, 518904), (60, 475662), (66, 432420), (72, 396385), (88, 324315), (90, 317108), (99, 288280), (110, 259452), (120, 237831), (132, 216210), (165, 172968), (180, 158554), (198, 144140), (220, 129726), (264, 108105), (330, 86484), (360, 79277), (396, 72070), (440, 64863), (495, 57656), (660, 43242), (792, 36035), (990, 28828), (1320, 21621), (1980, 14414), (3960, 7207)]