640659360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1811}}^1$

素因数の和:1907

約数の個数: 192

約数和(自身を含む): 2235631104

約数和(自身を除く): 1594971744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 67, 80, 88, 96, 110, 120, 132, 134, 160, 165, 176, 201, 220, 240, 264, 268, 330, 335, 352, 402, 440, 480, 528, 536, 660, 670, 737, 804, 880, 1005, 1056, 1072, 1320, 1340, 1474, 1608, 1760, 1811, 2010, 2144, 2211, 2640, 2680, 2948, 3216, 3622, 3685, 4020, 4422, 5280, 5360, 5433, 5896, 6432, 7244, 7370, 8040, 8844, 9055, 10720, 10866, 11055, 11792, 14488, 14740, 16080, 17688, 18110, 19921, 21732, 22110, 23584, 27165, 28976, 29480, 32160, 35376, 36220, 39842, 43464, 44220, 54330, 57952, 58960, 59763, 70752, 72440, 79684, 86928, 88440, 99605, 108660, 117920, 119526, 121337, 144880, 159368, 173856, 176880, 199210, 217320, 239052, 242674, 289760, 298815, 318736, 353760, 364011, 398420, 434640, 478104, 485348, 597630, 606685, 637472, 728022, 796840, 869280, 956208, 970696, 1195260, 1213370, 1334707, 1456044, 1593680, 1820055, 1912416, 1941392, 2390520, 2426740, 2669414, 2912088, 3187360, 3640110, 3882784, 4004121, 4781040, 4853480, 5338828, 5824176, 6673535, 7280220, 8008242, 9562080, 9706960, 10677656, 11648352, 13347070, 14560440, 16016484, 19413920, 20020605, 21355312, 26694140, 29120880, 32032968, 40041210, 42710624, 53388280, 58241760, 64065936, 80082420, 106776560, 128131872, 160164840, 213553120, 320329680, 640659360]

約数ペア:

[(1, 640659360), (2, 320329680), (3, 213553120), (4, 160164840), (5, 128131872), (6, 106776560), (8, 80082420), (10, 64065936), (11, 58241760), (12, 53388280), (15, 42710624), (16, 40041210), (20, 32032968), (22, 29120880), (24, 26694140), (30, 21355312), (32, 20020605), (33, 19413920), (40, 16016484), (44, 14560440), (48, 13347070), (55, 11648352), (60, 10677656), (66, 9706960), (67, 9562080), (80, 8008242), (88, 7280220), (96, 6673535), (110, 5824176), (120, 5338828), (132, 4853480), (134, 4781040), (160, 4004121), (165, 3882784), (176, 3640110), (201, 3187360), (220, 2912088), (240, 2669414), (264, 2426740), (268, 2390520), (330, 1941392), (335, 1912416), (352, 1820055), (402, 1593680), (440, 1456044), (480, 1334707), (528, 1213370), (536, 1195260), (660, 970696), (670, 956208), (737, 869280), (804, 796840), (880, 728022), (1005, 637472), (1056, 606685), (1072, 597630), (1320, 485348), (1340, 478104), (1474, 434640), (1608, 398420), (1760, 364011), (1811, 353760), (2010, 318736), (2144, 298815), (2211, 289760), (2640, 242674), (2680, 239052), (2948, 217320), (3216, 199210), (3622, 176880), (3685, 173856), (4020, 159368), (4422, 144880), (5280, 121337), (5360, 119526), (5433, 117920), (5896, 108660), (6432, 99605), (7244, 88440), (7370, 86928), (8040, 79684), (8844, 72440), (9055, 70752), (10720, 59763), (10866, 58960), (11055, 57952), (11792, 54330), (14488, 44220), (14740, 43464), (16080, 39842), (17688, 36220), (18110, 35376), (19921, 32160), (21732, 29480), (22110, 28976), (23584, 27165)]