18173680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 53996544

約数和(自身を除く): 35822864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 80, 83, 85, 92, 112, 115, 119, 136, 140, 161, 166, 170, 184, 230, 238, 272, 280, 322, 332, 340, 368, 391, 415, 460, 476, 560, 581, 595, 644, 664, 680, 782, 805, 830, 920, 952, 1162, 1190, 1288, 1328, 1360, 1411, 1564, 1610, 1660, 1840, 1904, 1909, 1955, 2324, 2380, 2576, 2737, 2822, 2905, 3128, 3220, 3320, 3818, 3910, 4648, 4760, 5474, 5644, 5810, 6256, 6440, 6640, 7055, 7636, 7820, 9296, 9520, 9545, 9877, 10948, 11288, 11620, 12880, 13363, 13685, 14110, 15272, 15640, 19090, 19754, 21896, 22576, 23240, 26726, 27370, 28220, 30544, 31280, 32453, 38180, 39508, 43792, 46480, 49385, 53452, 54740, 56440, 64906, 66815, 76360, 79016, 98770, 106904, 109480, 112880, 129812, 133630, 152720, 158032, 162265, 197540, 213808, 218960, 227171, 259624, 267260, 324530, 395080, 454342, 519248, 534520, 649060, 790160, 908684, 1069040, 1135855, 1298120, 1817368, 2271710, 2596240, 3634736, 4543420, 9086840, 18173680]

約数ペア:

[(1, 18173680), (2, 9086840), (4, 4543420), (5, 3634736), (7, 2596240), (8, 2271710), (10, 1817368), (14, 1298120), (16, 1135855), (17, 1069040), (20, 908684), (23, 790160), (28, 649060), (34, 534520), (35, 519248), (40, 454342), (46, 395080), (56, 324530), (68, 267260), (70, 259624), (80, 227171), (83, 218960), (85, 213808), (92, 197540), (112, 162265), (115, 158032), (119, 152720), (136, 133630), (140, 129812), (161, 112880), (166, 109480), (170, 106904), (184, 98770), (230, 79016), (238, 76360), (272, 66815), (280, 64906), (322, 56440), (332, 54740), (340, 53452), (368, 49385), (391, 46480), (415, 43792), (460, 39508), (476, 38180), (560, 32453), (581, 31280), (595, 30544), (644, 28220), (664, 27370), (680, 26726), (782, 23240), (805, 22576), (830, 21896), (920, 19754), (952, 19090), (1162, 15640), (1190, 15272), (1288, 14110), (1328, 13685), (1360, 13363), (1411, 12880), (1564, 11620), (1610, 11288), (1660, 10948), (1840, 9877), (1904, 9545), (1909, 9520), (1955, 9296), (2324, 7820), (2380, 7636), (2576, 7055), (2737, 6640), (2822, 6440), (2905, 6256), (3128, 5810), (3220, 5644), (3320, 5474), (3818, 4760), (3910, 4648)]