18449760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:78

約数の個数: 288

約数和(自身を含む): 74269440

約数和(自身を除く): 55819680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 19, 20, 21, 24, 28, 30, 32, 34, 35, 38, 40, 42, 48, 51, 56, 57, 60, 68, 70, 76, 80, 84, 85, 95, 96, 102, 105, 112, 114, 119, 120, 133, 136, 140, 152, 160, 168, 170, 190, 204, 210, 224, 228, 238, 240, 255, 266, 272, 280, 285, 289, 304, 323, 336, 340, 357, 380, 399, 408, 420, 456, 476, 480, 510, 532, 544, 560, 570, 578, 595, 608, 646, 665, 672, 680, 714, 760, 798, 816, 840, 867, 912, 952, 969, 1020, 1064, 1120, 1140, 1156, 1190, 1292, 1330, 1360, 1428, 1445, 1520, 1596, 1615, 1632, 1680, 1734, 1785, 1824, 1904, 1938, 1995, 2023, 2040, 2128, 2261, 2280, 2312, 2380, 2584, 2660, 2720, 2856, 2890, 3040, 3192, 3230, 3360, 3468, 3570, 3808, 3876, 3990, 4046, 4080, 4256, 4335, 4522, 4560, 4624, 4760, 4845, 5168, 5320, 5491, 5712, 5780, 6069, 6384, 6460, 6783, 6936, 7140, 7752, 7980, 8092, 8160, 8670, 9044, 9120, 9248, 9520, 9690, 10115, 10336, 10640, 10982, 11305, 11424, 11560, 12138, 12768, 12920, 13566, 13872, 14280, 15504, 15960, 16184, 16473, 17340, 18088, 19040, 19380, 20230, 21280, 21964, 22610, 23120, 24276, 25840, 27132, 27455, 27744, 28560, 30345, 31008, 31920, 32368, 32946, 33915, 34680, 36176, 38437, 38760, 40460, 43928, 45220, 46240, 48552, 51680, 54264, 54910, 57120, 60690, 63840, 64736, 65892, 67830, 69360, 72352, 76874, 77520, 80920, 82365, 87856, 90440, 97104, 108528, 109820, 115311, 121380, 131784, 135660, 138720, 153748, 155040, 161840, 164730, 175712, 180880, 192185, 194208, 217056, 219640, 230622, 242760, 263568, 271320, 307496, 323680, 329460, 361760, 384370, 439280, 461244, 485520, 527136, 542640, 576555, 614992, 658920, 768740, 878560, 922488, 971040, 1085280, 1153110, 1229984, 1317840, 1537480, 1844976, 2306220, 2635680, 3074960, 3689952, 4612440, 6149920, 9224880, 18449760]

約数ペア:

[(1, 18449760), (2, 9224880), (3, 6149920), (4, 4612440), (5, 3689952), (6, 3074960), (7, 2635680), (8, 2306220), (10, 1844976), (12, 1537480), (14, 1317840), (15, 1229984), (16, 1153110), (17, 1085280), (19, 971040), (20, 922488), (21, 878560), (24, 768740), (28, 658920), (30, 614992), (32, 576555), (34, 542640), (35, 527136), (38, 485520), (40, 461244), (42, 439280), (48, 384370), (51, 361760), (56, 329460), (57, 323680), (60, 307496), (68, 271320), (70, 263568), (76, 242760), (80, 230622), (84, 219640), (85, 217056), (95, 194208), (96, 192185), (102, 180880), (105, 175712), (112, 164730), (114, 161840), (119, 155040), (120, 153748), (133, 138720), (136, 135660), (140, 131784), (152, 121380), (160, 115311), (168, 109820), (170, 108528), (190, 97104), (204, 90440), (210, 87856), (224, 82365), (228, 80920), (238, 77520), (240, 76874), (255, 72352), (266, 69360), (272, 67830), (280, 65892), (285, 64736), (289, 63840), (304, 60690), (323, 57120), (336, 54910), (340, 54264), (357, 51680), (380, 48552), (399, 46240), (408, 45220), (420, 43928), (456, 40460), (476, 38760), (480, 38437), (510, 36176), (532, 34680), (544, 33915), (560, 32946), (570, 32368), (578, 31920), (595, 31008), (608, 30345), (646, 28560), (665, 27744), (672, 27455), (680, 27132), (714, 25840), (760, 24276), (798, 23120), (816, 22610), (840, 21964), (867, 21280), (912, 20230), (952, 19380), (969, 19040), (1020, 18088), (1064, 17340), (1120, 16473), (1140, 16184), (1156, 15960), (1190, 15504), (1292, 14280), (1330, 13872), (1360, 13566), (1428, 12920), (1445, 12768), (1520, 12138), (1596, 11560), (1615, 11424), (1632, 11305), (1680, 10982), (1734, 10640), (1785, 10336), (1824, 10115), (1904, 9690), (1938, 9520), (1995, 9248), (2023, 9120), (2040, 9044), (2128, 8670), (2261, 8160), (2280, 8092), (2312, 7980), (2380, 7752), (2584, 7140), (2660, 6936), (2720, 6783), (2856, 6460), (2890, 6384), (3040, 6069), (3192, 5780), (3230, 5712), (3360, 5491), (3468, 5320), (3570, 5168), (3808, 4845), (3876, 4760), (3990, 4624), (4046, 4560), (4080, 4522), (4256, 4335)]