221215680

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{10973}}^1$

素因数の和:11003

約数の個数: 168

約数和(自身を含む): 869667552

約数和(自身を除く): 648451872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 10973, 20160, 21946, 32919, 43892, 54865, 65838, 76811, 87784, 98757, 109730, 131676, 153622, 164595, 175568, 197514, 219460, 230433, 263352, 307244, 329190, 351136, 384055, 395028, 438920, 460866, 493785, 526704, 614488, 658380, 691299, 702272, 768110, 790056, 877840, 921732, 987570, 1053408, 1152165, 1228976, 1316760, 1382598, 1536220, 1580112, 1755680, 1843464, 1975140, 2106816, 2304330, 2457952, 2633520, 2765196, 3072440, 3160224, 3456495, 3511360, 3686928, 3950280, 4608660, 4915904, 5267040, 5530392, 6144880, 6320448, 6912990, 7373856, 7900560, 9217320, 10534080, 11060784, 12289760, 13825980, 14747712, 15801120, 18434640, 22121568, 24579520, 27651960, 31602240, 36869280, 44243136, 55303920, 73738560, 110607840, 221215680]

約数ペア:

[(1, 221215680), (2, 110607840), (3, 73738560), (4, 55303920), (5, 44243136), (6, 36869280), (7, 31602240), (8, 27651960), (9, 24579520), (10, 22121568), (12, 18434640), (14, 15801120), (15, 14747712), (16, 13825980), (18, 12289760), (20, 11060784), (21, 10534080), (24, 9217320), (28, 7900560), (30, 7373856), (32, 6912990), (35, 6320448), (36, 6144880), (40, 5530392), (42, 5267040), (45, 4915904), (48, 4608660), (56, 3950280), (60, 3686928), (63, 3511360), (64, 3456495), (70, 3160224), (72, 3072440), (80, 2765196), (84, 2633520), (90, 2457952), (96, 2304330), (105, 2106816), (112, 1975140), (120, 1843464), (126, 1755680), (140, 1580112), (144, 1536220), (160, 1382598), (168, 1316760), (180, 1228976), (192, 1152165), (210, 1053408), (224, 987570), (240, 921732), (252, 877840), (280, 790056), (288, 768110), (315, 702272), (320, 691299), (336, 658380), (360, 614488), (420, 526704), (448, 493785), (480, 460866), (504, 438920), (560, 395028), (576, 384055), (630, 351136), (672, 329190), (720, 307244), (840, 263352), (960, 230433), (1008, 219460), (1120, 197514), (1260, 175568), (1344, 164595), (1440, 153622), (1680, 131676), (2016, 109730), (2240, 98757), (2520, 87784), (2880, 76811), (3360, 65838), (4032, 54865), (5040, 43892), (6720, 32919), (10080, 21946), (10973, 20160)]