217424480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 192

約数和(自身を含む): 642660480

約数和(自身を除く): 425236000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 109, 112, 130, 137, 140, 160, 182, 208, 218, 224, 260, 274, 280, 364, 416, 436, 455, 520, 545, 548, 560, 685, 728, 763, 872, 910, 959, 1040, 1090, 1096, 1120, 1370, 1417, 1456, 1526, 1744, 1781, 1820, 1918, 2080, 2180, 2192, 2740, 2834, 2912, 3052, 3488, 3562, 3640, 3815, 3836, 4360, 4384, 4795, 5480, 5668, 6104, 7085, 7124, 7280, 7630, 7672, 8720, 8905, 9590, 9919, 10960, 11336, 12208, 12467, 14170, 14248, 14560, 14933, 15260, 15344, 17440, 17810, 19180, 19838, 21920, 22672, 24416, 24934, 28340, 28496, 29866, 30520, 30688, 35620, 38360, 39676, 45344, 49595, 49868, 56680, 56992, 59732, 61040, 62335, 71240, 74665, 76720, 79352, 99190, 99736, 104531, 113360, 119464, 122080, 124670, 142480, 149330, 153440, 158704, 194129, 198380, 199472, 209062, 226720, 238928, 249340, 284960, 298660, 317408, 388258, 396760, 398944, 418124, 477856, 498680, 522655, 597320, 776516, 793520, 836248, 970645, 997360, 1045310, 1194640, 1358903, 1553032, 1587040, 1672496, 1941290, 1994720, 2090620, 2389280, 2717806, 3106064, 3344992, 3882580, 4181240, 5435612, 6212128, 6794515, 7765160, 8362480, 10871224, 13589030, 15530320, 16724960, 21742448, 27178060, 31060640, 43484896, 54356120, 108712240, 217424480]

約数ペア:

[(1, 217424480), (2, 108712240), (4, 54356120), (5, 43484896), (7, 31060640), (8, 27178060), (10, 21742448), (13, 16724960), (14, 15530320), (16, 13589030), (20, 10871224), (26, 8362480), (28, 7765160), (32, 6794515), (35, 6212128), (40, 5435612), (52, 4181240), (56, 3882580), (65, 3344992), (70, 3106064), (80, 2717806), (91, 2389280), (104, 2090620), (109, 1994720), (112, 1941290), (130, 1672496), (137, 1587040), (140, 1553032), (160, 1358903), (182, 1194640), (208, 1045310), (218, 997360), (224, 970645), (260, 836248), (274, 793520), (280, 776516), (364, 597320), (416, 522655), (436, 498680), (455, 477856), (520, 418124), (545, 398944), (548, 396760), (560, 388258), (685, 317408), (728, 298660), (763, 284960), (872, 249340), (910, 238928), (959, 226720), (1040, 209062), (1090, 199472), (1096, 198380), (1120, 194129), (1370, 158704), (1417, 153440), (1456, 149330), (1526, 142480), (1744, 124670), (1781, 122080), (1820, 119464), (1918, 113360), (2080, 104531), (2180, 99736), (2192, 99190), (2740, 79352), (2834, 76720), (2912, 74665), (3052, 71240), (3488, 62335), (3562, 61040), (3640, 59732), (3815, 56992), (3836, 56680), (4360, 49868), (4384, 49595), (4795, 45344), (5480, 39676), (5668, 38360), (6104, 35620), (7085, 30688), (7124, 30520), (7280, 29866), (7630, 28496), (7672, 28340), (8720, 24934), (8905, 24416), (9590, 22672), (9919, 21920), (10960, 19838), (11336, 19180), (12208, 17810), (12467, 17440), (14170, 15344), (14248, 15260), (14560, 14933)]