81704040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:384

約数の個数: 192

約数和(自身を含む): 286130880

約数和(自身を除く): 204426840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 121, 132, 136, 165, 170, 187, 204, 220, 242, 255, 264, 330, 331, 340, 363, 374, 408, 440, 484, 510, 561, 605, 660, 662, 680, 726, 748, 935, 968, 993, 1020, 1122, 1210, 1320, 1324, 1452, 1496, 1655, 1815, 1870, 1986, 2040, 2057, 2244, 2420, 2648, 2805, 2904, 3310, 3630, 3641, 3740, 3972, 4114, 4488, 4840, 4965, 5610, 5627, 6171, 6620, 7260, 7282, 7480, 7944, 8228, 9930, 10285, 10923, 11220, 11254, 12342, 13240, 14520, 14564, 16456, 16881, 18205, 19860, 20570, 21846, 22440, 22508, 24684, 28135, 29128, 30855, 33762, 36410, 39720, 40051, 41140, 43692, 45016, 49368, 54615, 56270, 61710, 61897, 67524, 72820, 80102, 82280, 84405, 87384, 109230, 112540, 120153, 123420, 123794, 135048, 145640, 160204, 168810, 185691, 200255, 218460, 225080, 240306, 246840, 247588, 309485, 320408, 337620, 371382, 400510, 436920, 480612, 495176, 600765, 618970, 675240, 680867, 742764, 801020, 928455, 961224, 1201530, 1237940, 1361734, 1485528, 1602040, 1856910, 2042601, 2403060, 2475880, 2723468, 3404335, 3713820, 4085202, 4806120, 5446936, 6808670, 7427640, 8170404, 10213005, 13617340, 16340808, 20426010, 27234680, 40852020, 81704040]

約数ペア:

[(1, 81704040), (2, 40852020), (3, 27234680), (4, 20426010), (5, 16340808), (6, 13617340), (8, 10213005), (10, 8170404), (11, 7427640), (12, 6808670), (15, 5446936), (17, 4806120), (20, 4085202), (22, 3713820), (24, 3404335), (30, 2723468), (33, 2475880), (34, 2403060), (40, 2042601), (44, 1856910), (51, 1602040), (55, 1485528), (60, 1361734), (66, 1237940), (68, 1201530), (85, 961224), (88, 928455), (102, 801020), (110, 742764), (120, 680867), (121, 675240), (132, 618970), (136, 600765), (165, 495176), (170, 480612), (187, 436920), (204, 400510), (220, 371382), (242, 337620), (255, 320408), (264, 309485), (330, 247588), (331, 246840), (340, 240306), (363, 225080), (374, 218460), (408, 200255), (440, 185691), (484, 168810), (510, 160204), (561, 145640), (605, 135048), (660, 123794), (662, 123420), (680, 120153), (726, 112540), (748, 109230), (935, 87384), (968, 84405), (993, 82280), (1020, 80102), (1122, 72820), (1210, 67524), (1320, 61897), (1324, 61710), (1452, 56270), (1496, 54615), (1655, 49368), (1815, 45016), (1870, 43692), (1986, 41140), (2040, 40051), (2057, 39720), (2244, 36410), (2420, 33762), (2648, 30855), (2805, 29128), (2904, 28135), (3310, 24684), (3630, 22508), (3641, 22440), (3740, 21846), (3972, 20570), (4114, 19860), (4488, 18205), (4840, 16881), (4965, 16456), (5610, 14564), (5627, 14520), (6171, 13240), (6620, 12342), (7260, 11254), (7282, 11220), (7480, 10923), (7944, 10285), (8228, 9930)]