18880266160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{1259}}^1$

素因数の和:1779

約数の個数: 160

約数和(自身を含む): 51146726400

約数和(自身を除く): 32266460240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 439, 488, 560, 610, 854, 878, 976, 1220, 1259, 1708, 1756, 2135, 2195, 2440, 2518, 3073, 3416, 3512, 4270, 4390, 4880, 5036, 6146, 6295, 6832, 7024, 8540, 8780, 8813, 10072, 12292, 12590, 15365, 17080, 17560, 17626, 20144, 24584, 25180, 26779, 30730, 34160, 35120, 35252, 44065, 49168, 50360, 53558, 61460, 70504, 76799, 88130, 100720, 107116, 122920, 133895, 141008, 153598, 176260, 187453, 214232, 245840, 267790, 307196, 352520, 374906, 383995, 428464, 535580, 537593, 552701, 614392, 705040, 749812, 767990, 937265, 1071160, 1075186, 1105402, 1228784, 1499624, 1535980, 1874530, 2142320, 2150372, 2210804, 2687965, 2763505, 2999248, 3071960, 3749060, 3868907, 4300744, 4421608, 5375930, 5527010, 6143920, 7498120, 7737814, 8601488, 8843216, 10751860, 11054020, 14996240, 15475628, 19344535, 21503720, 22108040, 30951256, 33714761, 38689070, 43007440, 44216080, 61902512, 67429522, 77378140, 134859044, 154756280, 168573805, 236003327, 269718088, 309512560, 337147610, 472006654, 539436176, 674295220, 944013308, 1180016635, 1348590440, 1888026616, 2360033270, 2697180880, 3776053232, 4720066540, 9440133080, 18880266160]

約数ペア:

[(1, 18880266160), (2, 9440133080), (4, 4720066540), (5, 3776053232), (7, 2697180880), (8, 2360033270), (10, 1888026616), (14, 1348590440), (16, 1180016635), (20, 944013308), (28, 674295220), (35, 539436176), (40, 472006654), (56, 337147610), (61, 309512560), (70, 269718088), (80, 236003327), (112, 168573805), (122, 154756280), (140, 134859044), (244, 77378140), (280, 67429522), (305, 61902512), (427, 44216080), (439, 43007440), (488, 38689070), (560, 33714761), (610, 30951256), (854, 22108040), (878, 21503720), (976, 19344535), (1220, 15475628), (1259, 14996240), (1708, 11054020), (1756, 10751860), (2135, 8843216), (2195, 8601488), (2440, 7737814), (2518, 7498120), (3073, 6143920), (3416, 5527010), (3512, 5375930), (4270, 4421608), (4390, 4300744), (4880, 3868907), (5036, 3749060), (6146, 3071960), (6295, 2999248), (6832, 2763505), (7024, 2687965), (8540, 2210804), (8780, 2150372), (8813, 2142320), (10072, 1874530), (12292, 1535980), (12590, 1499624), (15365, 1228784), (17080, 1105402), (17560, 1075186), (17626, 1071160), (20144, 937265), (24584, 767990), (25180, 749812), (26779, 705040), (30730, 614392), (34160, 552701), (35120, 537593), (35252, 535580), (44065, 428464), (49168, 383995), (50360, 374906), (53558, 352520), (61460, 307196), (70504, 267790), (76799, 245840), (88130, 214232), (100720, 187453), (107116, 176260), (122920, 153598), (133895, 141008)]