18678240

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 288

約数和(自身を含む): 77837760

約数和(自身を除く): 59159520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 109, 112, 119, 120, 126, 136, 140, 144, 153, 160, 168, 170, 180, 204, 210, 218, 224, 238, 240, 252, 255, 272, 280, 288, 306, 315, 327, 336, 340, 357, 360, 408, 420, 436, 476, 480, 504, 510, 544, 545, 560, 595, 612, 630, 654, 672, 680, 714, 720, 763, 765, 816, 840, 872, 952, 981, 1008, 1020, 1071, 1090, 1120, 1190, 1224, 1260, 1308, 1360, 1428, 1440, 1526, 1530, 1632, 1635, 1680, 1744, 1785, 1853, 1904, 1962, 2016, 2040, 2142, 2180, 2289, 2380, 2448, 2520, 2616, 2720, 2856, 3052, 3060, 3270, 3360, 3488, 3570, 3706, 3808, 3815, 3924, 4080, 4284, 4360, 4578, 4760, 4896, 4905, 5040, 5232, 5355, 5559, 5712, 6104, 6120, 6540, 6867, 7140, 7412, 7630, 7848, 8160, 8568, 8720, 9156, 9265, 9520, 9810, 10080, 10464, 10710, 11118, 11424, 11445, 12208, 12240, 12971, 13080, 13734, 14280, 14824, 15260, 15696, 16677, 17136, 17440, 18312, 18530, 19040, 19620, 21420, 22236, 22890, 24416, 24480, 25942, 26160, 27468, 27795, 28560, 29648, 30520, 31392, 33354, 34272, 34335, 36624, 37060, 38913, 39240, 42840, 44472, 45780, 51884, 52320, 54936, 55590, 57120, 59296, 61040, 64855, 66708, 68670, 73248, 74120, 77826, 78480, 83385, 85680, 88944, 91560, 103768, 109872, 111180, 116739, 122080, 129710, 133416, 137340, 148240, 155652, 156960, 166770, 171360, 177888, 183120, 194565, 207536, 219744, 222360, 233478, 259420, 266832, 274680, 296480, 311304, 333540, 366240, 389130, 415072, 444720, 466956, 518840, 533664, 549360, 583695, 622608, 667080, 778260, 889440, 933912, 1037680, 1098720, 1167390, 1245216, 1334160, 1556520, 1867824, 2075360, 2334780, 2668320, 3113040, 3735648, 4669560, 6226080, 9339120, 18678240]

約数ペア:

[(1, 18678240), (2, 9339120), (3, 6226080), (4, 4669560), (5, 3735648), (6, 3113040), (7, 2668320), (8, 2334780), (9, 2075360), (10, 1867824), (12, 1556520), (14, 1334160), (15, 1245216), (16, 1167390), (17, 1098720), (18, 1037680), (20, 933912), (21, 889440), (24, 778260), (28, 667080), (30, 622608), (32, 583695), (34, 549360), (35, 533664), (36, 518840), (40, 466956), (42, 444720), (45, 415072), (48, 389130), (51, 366240), (56, 333540), (60, 311304), (63, 296480), (68, 274680), (70, 266832), (72, 259420), (80, 233478), (84, 222360), (85, 219744), (90, 207536), (96, 194565), (102, 183120), (105, 177888), (109, 171360), (112, 166770), (119, 156960), (120, 155652), (126, 148240), (136, 137340), (140, 133416), (144, 129710), (153, 122080), (160, 116739), (168, 111180), (170, 109872), (180, 103768), (204, 91560), (210, 88944), (218, 85680), (224, 83385), (238, 78480), (240, 77826), (252, 74120), (255, 73248), (272, 68670), (280, 66708), (288, 64855), (306, 61040), (315, 59296), (327, 57120), (336, 55590), (340, 54936), (357, 52320), (360, 51884), (408, 45780), (420, 44472), (436, 42840), (476, 39240), (480, 38913), (504, 37060), (510, 36624), (544, 34335), (545, 34272), (560, 33354), (595, 31392), (612, 30520), (630, 29648), (654, 28560), (672, 27795), (680, 27468), (714, 26160), (720, 25942), (763, 24480), (765, 24416), (816, 22890), (840, 22236), (872, 21420), (952, 19620), (981, 19040), (1008, 18530), (1020, 18312), (1071, 17440), (1090, 17136), (1120, 16677), (1190, 15696), (1224, 15260), (1260, 14824), (1308, 14280), (1360, 13734), (1428, 13080), (1440, 12971), (1526, 12240), (1530, 12208), (1632, 11445), (1635, 11424), (1680, 11118), (1744, 10710), (1785, 10464), (1853, 10080), (1904, 9810), (1962, 9520), (2016, 9265), (2040, 9156), (2142, 8720), (2180, 8568), (2289, 8160), (2380, 7848), (2448, 7630), (2520, 7412), (2616, 7140), (2720, 6867), (2856, 6540), (3052, 6120), (3060, 6104), (3270, 5712), (3360, 5559), (3488, 5355), (3570, 5232), (3706, 5040), (3808, 4905), (3815, 4896), (3924, 4760), (4080, 4578), (4284, 4360)]