206225820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:604

約数の個数: 144

約数和(自身を含む): 660179520

約数和(自身を除く): 453953700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 109, 115, 138, 180, 207, 218, 230, 276, 327, 345, 414, 436, 457, 460, 545, 654, 690, 828, 914, 981, 1035, 1090, 1308, 1371, 1380, 1635, 1828, 1962, 2070, 2180, 2285, 2507, 2742, 3270, 3924, 4113, 4140, 4570, 4905, 5014, 5484, 6540, 6855, 7521, 8226, 9140, 9810, 10028, 10511, 12535, 13710, 15042, 16452, 19620, 20565, 21022, 22563, 25070, 27420, 30084, 31533, 37605, 41130, 42044, 45126, 49813, 50140, 52555, 63066, 75210, 82260, 90252, 94599, 99626, 105110, 112815, 126132, 149439, 150420, 157665, 189198, 199252, 210220, 225630, 249065, 298878, 315330, 378396, 448317, 451260, 472995, 498130, 597756, 630660, 747195, 896634, 945990, 996260, 1145699, 1494390, 1793268, 1891980, 2241585, 2291398, 2988780, 3437097, 4483170, 4582796, 5728495, 6874194, 8966340, 10311291, 11456990, 13748388, 17185485, 20622582, 22913980, 34370970, 41245164, 51556455, 68741940, 103112910, 206225820]

約数ペア:

[(1, 206225820), (2, 103112910), (3, 68741940), (4, 51556455), (5, 41245164), (6, 34370970), (9, 22913980), (10, 20622582), (12, 17185485), (15, 13748388), (18, 11456990), (20, 10311291), (23, 8966340), (30, 6874194), (36, 5728495), (45, 4582796), (46, 4483170), (60, 3437097), (69, 2988780), (90, 2291398), (92, 2241585), (109, 1891980), (115, 1793268), (138, 1494390), (180, 1145699), (207, 996260), (218, 945990), (230, 896634), (276, 747195), (327, 630660), (345, 597756), (414, 498130), (436, 472995), (457, 451260), (460, 448317), (545, 378396), (654, 315330), (690, 298878), (828, 249065), (914, 225630), (981, 210220), (1035, 199252), (1090, 189198), (1308, 157665), (1371, 150420), (1380, 149439), (1635, 126132), (1828, 112815), (1962, 105110), (2070, 99626), (2180, 94599), (2285, 90252), (2507, 82260), (2742, 75210), (3270, 63066), (3924, 52555), (4113, 50140), (4140, 49813), (4570, 45126), (4905, 42044), (5014, 41130), (5484, 37605), (6540, 31533), (6855, 30084), (7521, 27420), (8226, 25070), (9140, 22563), (9810, 21022), (10028, 20565), (10511, 19620), (12535, 16452), (13710, 15042)]