28239720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 91238400

約数和(自身を除く): 62998680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 109, 120, 127, 136, 170, 204, 218, 254, 255, 327, 340, 381, 408, 436, 508, 510, 545, 635, 654, 680, 762, 872, 1016, 1020, 1090, 1270, 1308, 1524, 1635, 1853, 1905, 2040, 2159, 2180, 2540, 2616, 3048, 3270, 3706, 3810, 4318, 4360, 5080, 5559, 6477, 6540, 7412, 7620, 8636, 9265, 10795, 11118, 12954, 13080, 13843, 14824, 15240, 17272, 18530, 21590, 22236, 25908, 27686, 27795, 32385, 37060, 41529, 43180, 44472, 51816, 55372, 55590, 64770, 69215, 74120, 83058, 86360, 110744, 111180, 129540, 138430, 166116, 207645, 222360, 235331, 259080, 276860, 332232, 415290, 470662, 553720, 705993, 830580, 941324, 1176655, 1411986, 1661160, 1882648, 2353310, 2823972, 3529965, 4706620, 5647944, 7059930, 9413240, 14119860, 28239720]

約数ペア:

[(1, 28239720), (2, 14119860), (3, 9413240), (4, 7059930), (5, 5647944), (6, 4706620), (8, 3529965), (10, 2823972), (12, 2353310), (15, 1882648), (17, 1661160), (20, 1411986), (24, 1176655), (30, 941324), (34, 830580), (40, 705993), (51, 553720), (60, 470662), (68, 415290), (85, 332232), (102, 276860), (109, 259080), (120, 235331), (127, 222360), (136, 207645), (170, 166116), (204, 138430), (218, 129540), (254, 111180), (255, 110744), (327, 86360), (340, 83058), (381, 74120), (408, 69215), (436, 64770), (508, 55590), (510, 55372), (545, 51816), (635, 44472), (654, 43180), (680, 41529), (762, 37060), (872, 32385), (1016, 27795), (1020, 27686), (1090, 25908), (1270, 22236), (1308, 21590), (1524, 18530), (1635, 17272), (1853, 15240), (1905, 14824), (2040, 13843), (2159, 13080), (2180, 12954), (2540, 11118), (2616, 10795), (3048, 9265), (3270, 8636), (3706, 7620), (3810, 7412), (4318, 6540), (4360, 6477), (5080, 5559)]