54321120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:362

約数の個数: 288

約数和(自身を含む): 225021888

約数和(自身を除く): 170700768

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, 112, 119, 120, 126, 136, 140, 144, 153, 160, 168, 170, 180, 204, 210, 224, 238, 240, 252, 255, 272, 280, 288, 306, 315, 317, 336, 340, 357, 360, 408, 420, 476, 480, 504, 510, 544, 560, 595, 612, 630, 634, 672, 680, 714, 720, 765, 816, 840, 951, 952, 1008, 1020, 1071, 1120, 1190, 1224, 1260, 1268, 1360, 1428, 1440, 1530, 1585, 1632, 1680, 1785, 1902, 1904, 2016, 2040, 2142, 2219, 2380, 2448, 2520, 2536, 2720, 2853, 2856, 3060, 3170, 3360, 3570, 3804, 3808, 4080, 4284, 4438, 4755, 4760, 4896, 5040, 5072, 5355, 5389, 5706, 5712, 6120, 6340, 6657, 7140, 7608, 8160, 8568, 8876, 9510, 9520, 10080, 10144, 10710, 10778, 11095, 11412, 11424, 12240, 12680, 13314, 14265, 14280, 15216, 16167, 17136, 17752, 19020, 19040, 19971, 21420, 21556, 22190, 22824, 24480, 25360, 26628, 26945, 28530, 28560, 30432, 32334, 33285, 34272, 35504, 37723, 38040, 39942, 42840, 43112, 44380, 45648, 48501, 50720, 53256, 53890, 57060, 57120, 64668, 66570, 71008, 75446, 76080, 79884, 80835, 85680, 86224, 88760, 91296, 97002, 99855, 106512, 107780, 113169, 114120, 129336, 133140, 150892, 152160, 159768, 161670, 171360, 172448, 177520, 188615, 194004, 199710, 213024, 215560, 226338, 228240, 242505, 258672, 266280, 301784, 319536, 323340, 339507, 355040, 377230, 388008, 399420, 431120, 452676, 456480, 485010, 517344, 532560, 565845, 603568, 639072, 646680, 679014, 754460, 776016, 798840, 862240, 905352, 970020, 1065120, 1131690, 1207136, 1293360, 1358028, 1508920, 1552032, 1597680, 1697535, 1810704, 1940040, 2263380, 2586720, 2716056, 3017840, 3195360, 3395070, 3621408, 3880080, 4526760, 5432112, 6035680, 6790140, 7760160, 9053520, 10864224, 13580280, 18107040, 27160560, 54321120]

約数ペア:

[(1, 54321120), (2, 27160560), (3, 18107040), (4, 13580280), (5, 10864224), (6, 9053520), (7, 7760160), (8, 6790140), (9, 6035680), (10, 5432112), (12, 4526760), (14, 3880080), (15, 3621408), (16, 3395070), (17, 3195360), (18, 3017840), (20, 2716056), (21, 2586720), (24, 2263380), (28, 1940040), (30, 1810704), (32, 1697535), (34, 1597680), (35, 1552032), (36, 1508920), (40, 1358028), (42, 1293360), (45, 1207136), (48, 1131690), (51, 1065120), (56, 970020), (60, 905352), (63, 862240), (68, 798840), (70, 776016), (72, 754460), (80, 679014), (84, 646680), (85, 639072), (90, 603568), (96, 565845), (102, 532560), (105, 517344), (112, 485010), (119, 456480), (120, 452676), (126, 431120), (136, 399420), (140, 388008), (144, 377230), (153, 355040), (160, 339507), (168, 323340), (170, 319536), (180, 301784), (204, 266280), (210, 258672), (224, 242505), (238, 228240), (240, 226338), (252, 215560), (255, 213024), (272, 199710), (280, 194004), (288, 188615), (306, 177520), (315, 172448), (317, 171360), (336, 161670), (340, 159768), (357, 152160), (360, 150892), (408, 133140), (420, 129336), (476, 114120), (480, 113169), (504, 107780), (510, 106512), (544, 99855), (560, 97002), (595, 91296), (612, 88760), (630, 86224), (634, 85680), (672, 80835), (680, 79884), (714, 76080), (720, 75446), (765, 71008), (816, 66570), (840, 64668), (951, 57120), (952, 57060), (1008, 53890), (1020, 53256), (1071, 50720), (1120, 48501), (1190, 45648), (1224, 44380), (1260, 43112), (1268, 42840), (1360, 39942), (1428, 38040), (1440, 37723), (1530, 35504), (1585, 34272), (1632, 33285), (1680, 32334), (1785, 30432), (1902, 28560), (1904, 28530), (2016, 26945), (2040, 26628), (2142, 25360), (2219, 24480), (2380, 22824), (2448, 22190), (2520, 21556), (2536, 21420), (2720, 19971), (2853, 19040), (2856, 19020), (3060, 17752), (3170, 17136), (3360, 16167), (3570, 15216), (3804, 14280), (3808, 14265), (4080, 13314), (4284, 12680), (4438, 12240), (4755, 11424), (4760, 11412), (4896, 11095), (5040, 10778), (5072, 10710), (5355, 10144), (5389, 10080), (5706, 9520), (5712, 9510), (6120, 8876), (6340, 8568), (6657, 8160), (7140, 7608)]