321351680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 208

約数和(自身を含む): 891705024

約数和(自身を除く): 570353344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 71, 80, 85, 104, 128, 130, 136, 142, 160, 170, 208, 221, 256, 260, 272, 284, 320, 340, 355, 416, 442, 512, 520, 544, 568, 640, 680, 710, 832, 884, 923, 1024, 1040, 1088, 1105, 1136, 1207, 1280, 1360, 1420, 1664, 1768, 1846, 2048, 2080, 2176, 2210, 2272, 2414, 2560, 2720, 2840, 3328, 3536, 3692, 4096, 4160, 4352, 4420, 4544, 4615, 4828, 5120, 5440, 5680, 6035, 6656, 7072, 7384, 8320, 8704, 8840, 9088, 9230, 9656, 10240, 10880, 11360, 12070, 13312, 14144, 14768, 15691, 16640, 17408, 17680, 18176, 18460, 19312, 20480, 21760, 22720, 24140, 26624, 28288, 29536, 31382, 33280, 34816, 35360, 36352, 36920, 38624, 43520, 45440, 48280, 53248, 56576, 59072, 62764, 66560, 69632, 70720, 72704, 73840, 77248, 78455, 87040, 90880, 96560, 113152, 118144, 125528, 133120, 141440, 145408, 147680, 154496, 156910, 174080, 181760, 193120, 226304, 236288, 251056, 266240, 282880, 290816, 295360, 308992, 313820, 348160, 363520, 386240, 452608, 472576, 502112, 565760, 590720, 617984, 627640, 727040, 772480, 905216, 945152, 1004224, 1131520, 1181440, 1235968, 1255280, 1454080, 1544960, 1890304, 2008448, 2263040, 2362880, 2471936, 2510560, 3089920, 3780608, 4016896, 4526080, 4725760, 4943872, 5021120, 6179840, 8033792, 9451520, 10042240, 12359680, 16067584, 18903040, 20084480, 24719360, 32135168, 40168960, 64270336, 80337920, 160675840, 321351680]

約数ペア:

[(1, 321351680), (2, 160675840), (4, 80337920), (5, 64270336), (8, 40168960), (10, 32135168), (13, 24719360), (16, 20084480), (17, 18903040), (20, 16067584), (26, 12359680), (32, 10042240), (34, 9451520), (40, 8033792), (52, 6179840), (64, 5021120), (65, 4943872), (68, 4725760), (71, 4526080), (80, 4016896), (85, 3780608), (104, 3089920), (128, 2510560), (130, 2471936), (136, 2362880), (142, 2263040), (160, 2008448), (170, 1890304), (208, 1544960), (221, 1454080), (256, 1255280), (260, 1235968), (272, 1181440), (284, 1131520), (320, 1004224), (340, 945152), (355, 905216), (416, 772480), (442, 727040), (512, 627640), (520, 617984), (544, 590720), (568, 565760), (640, 502112), (680, 472576), (710, 452608), (832, 386240), (884, 363520), (923, 348160), (1024, 313820), (1040, 308992), (1088, 295360), (1105, 290816), (1136, 282880), (1207, 266240), (1280, 251056), (1360, 236288), (1420, 226304), (1664, 193120), (1768, 181760), (1846, 174080), (2048, 156910), (2080, 154496), (2176, 147680), (2210, 145408), (2272, 141440), (2414, 133120), (2560, 125528), (2720, 118144), (2840, 113152), (3328, 96560), (3536, 90880), (3692, 87040), (4096, 78455), (4160, 77248), (4352, 73840), (4420, 72704), (4544, 70720), (4615, 69632), (4828, 66560), (5120, 62764), (5440, 59072), (5680, 56576), (6035, 53248), (6656, 48280), (7072, 45440), (7384, 43520), (8320, 38624), (8704, 36920), (8840, 36352), (9088, 35360), (9230, 34816), (9656, 33280), (10240, 31382), (10880, 29536), (11360, 28288), (12070, 26624), (13312, 24140), (14144, 22720), (14768, 21760), (15691, 20480), (16640, 19312), (17408, 18460), (17680, 18176)]