231280560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 240

約数和(自身を含む): 897948480

約数和(自身を除く): 666667920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 109, 112, 120, 126, 140, 144, 168, 180, 210, 218, 240, 252, 280, 315, 327, 336, 360, 420, 421, 436, 504, 545, 560, 630, 654, 720, 763, 840, 842, 872, 981, 1008, 1090, 1260, 1263, 1308, 1526, 1635, 1680, 1684, 1744, 1962, 2105, 2180, 2289, 2520, 2526, 2616, 2947, 3052, 3270, 3368, 3789, 3815, 3924, 4210, 4360, 4578, 4905, 5040, 5052, 5232, 5894, 6104, 6315, 6540, 6736, 6867, 7578, 7630, 7848, 8420, 8720, 8841, 9156, 9810, 10104, 11445, 11788, 12208, 12630, 13080, 13734, 14735, 15156, 15260, 15696, 16840, 17682, 18312, 18945, 19620, 20208, 22890, 23576, 25260, 26160, 26523, 27468, 29470, 30312, 30520, 33680, 34335, 35364, 36624, 37890, 39240, 44205, 45780, 45889, 47152, 50520, 53046, 54936, 58940, 60624, 61040, 68670, 70728, 75780, 78480, 88410, 91560, 91778, 101040, 106092, 109872, 117880, 132615, 137340, 137667, 141456, 151560, 176820, 183120, 183556, 212184, 229445, 235760, 265230, 274680, 275334, 303120, 321223, 353640, 367112, 413001, 424368, 458890, 530460, 549360, 550668, 642446, 688335, 707280, 734224, 826002, 917780, 963669, 1060920, 1101336, 1284892, 1376670, 1606115, 1652004, 1835560, 1927338, 2065005, 2121840, 2202672, 2569784, 2753340, 2891007, 3212230, 3304008, 3671120, 3854676, 4130010, 4818345, 5139568, 5506680, 5782014, 6424460, 6608016, 7709352, 8260020, 9636690, 11013360, 11564028, 12848920, 14455035, 15418704, 16520040, 19273380, 23128056, 25697840, 28910070, 33040080, 38546760, 46256112, 57820140, 77093520, 115640280, 231280560]

約数ペア:

[(1, 231280560), (2, 115640280), (3, 77093520), (4, 57820140), (5, 46256112), (6, 38546760), (7, 33040080), (8, 28910070), (9, 25697840), (10, 23128056), (12, 19273380), (14, 16520040), (15, 15418704), (16, 14455035), (18, 12848920), (20, 11564028), (21, 11013360), (24, 9636690), (28, 8260020), (30, 7709352), (35, 6608016), (36, 6424460), (40, 5782014), (42, 5506680), (45, 5139568), (48, 4818345), (56, 4130010), (60, 3854676), (63, 3671120), (70, 3304008), (72, 3212230), (80, 2891007), (84, 2753340), (90, 2569784), (105, 2202672), (109, 2121840), (112, 2065005), (120, 1927338), (126, 1835560), (140, 1652004), (144, 1606115), (168, 1376670), (180, 1284892), (210, 1101336), (218, 1060920), (240, 963669), (252, 917780), (280, 826002), (315, 734224), (327, 707280), (336, 688335), (360, 642446), (420, 550668), (421, 549360), (436, 530460), (504, 458890), (545, 424368), (560, 413001), (630, 367112), (654, 353640), (720, 321223), (763, 303120), (840, 275334), (842, 274680), (872, 265230), (981, 235760), (1008, 229445), (1090, 212184), (1260, 183556), (1263, 183120), (1308, 176820), (1526, 151560), (1635, 141456), (1680, 137667), (1684, 137340), (1744, 132615), (1962, 117880), (2105, 109872), (2180, 106092), (2289, 101040), (2520, 91778), (2526, 91560), (2616, 88410), (2947, 78480), (3052, 75780), (3270, 70728), (3368, 68670), (3789, 61040), (3815, 60624), (3924, 58940), (4210, 54936), (4360, 53046), (4578, 50520), (4905, 47152), (5040, 45889), (5052, 45780), (5232, 44205), (5894, 39240), (6104, 37890), (6315, 36624), (6540, 35364), (6736, 34335), (6867, 33680), (7578, 30520), (7630, 30312), (7848, 29470), (8420, 27468), (8720, 26523), (8841, 26160), (9156, 25260), (9810, 23576), (10104, 22890), (11445, 20208), (11788, 19620), (12208, 18945), (12630, 18312), (13080, 17682), (13734, 16840), (14735, 15696), (15156, 15260)]