28467720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:676

約数の個数: 128

約数和(自身を含む): 97257600

約数和(自身を除く): 68789880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 135, 172, 180, 215, 216, 258, 270, 344, 360, 387, 430, 516, 540, 613, 645, 774, 860, 1032, 1080, 1161, 1226, 1290, 1548, 1720, 1839, 1935, 2322, 2452, 2580, 3065, 3096, 3678, 3870, 4644, 4904, 5160, 5517, 5805, 6130, 7356, 7740, 9195, 9288, 11034, 11610, 12260, 14712, 15480, 16551, 18390, 22068, 23220, 24520, 26359, 27585, 33102, 36780, 44136, 46440, 52718, 55170, 66204, 73560, 79077, 82755, 105436, 110340, 131795, 132408, 158154, 165510, 210872, 220680, 237231, 263590, 316308, 331020, 395385, 474462, 527180, 632616, 662040, 711693, 790770, 948924, 1054360, 1186155, 1423386, 1581540, 1897848, 2372310, 2846772, 3163080, 3558465, 4744620, 5693544, 7116930, 9489240, 14233860, 28467720]

約数ペア:

[(1, 28467720), (2, 14233860), (3, 9489240), (4, 7116930), (5, 5693544), (6, 4744620), (8, 3558465), (9, 3163080), (10, 2846772), (12, 2372310), (15, 1897848), (18, 1581540), (20, 1423386), (24, 1186155), (27, 1054360), (30, 948924), (36, 790770), (40, 711693), (43, 662040), (45, 632616), (54, 527180), (60, 474462), (72, 395385), (86, 331020), (90, 316308), (108, 263590), (120, 237231), (129, 220680), (135, 210872), (172, 165510), (180, 158154), (215, 132408), (216, 131795), (258, 110340), (270, 105436), (344, 82755), (360, 79077), (387, 73560), (430, 66204), (516, 55170), (540, 52718), (613, 46440), (645, 44136), (774, 36780), (860, 33102), (1032, 27585), (1080, 26359), (1161, 24520), (1226, 23220), (1290, 22068), (1548, 18390), (1720, 16551), (1839, 15480), (1935, 14712), (2322, 12260), (2452, 11610), (2580, 11034), (3065, 9288), (3096, 9195), (3678, 7740), (3870, 7356), (4644, 6130), (4904, 5805), (5160, 5517)]