256742640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{421}}^1$

素因数の和:469

約数の個数: 360

約数和(自身を含む): 1085701344

約数和(自身を除く): 828958704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 121, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 242, 252, 264, 280, 308, 315, 330, 336, 360, 363, 385, 396, 420, 421, 440, 462, 484, 495, 504, 528, 560, 605, 616, 630, 660, 693, 720, 726, 770, 792, 840, 842, 847, 880, 924, 968, 990, 1008, 1089, 1155, 1210, 1232, 1260, 1263, 1320, 1386, 1452, 1540, 1584, 1680, 1684, 1694, 1815, 1848, 1936, 1980, 2105, 2178, 2310, 2420, 2520, 2526, 2541, 2640, 2772, 2904, 2947, 3080, 3368, 3388, 3465, 3630, 3696, 3789, 3960, 4210, 4235, 4356, 4620, 4631, 4840, 5040, 5052, 5082, 5445, 5544, 5808, 5894, 6160, 6315, 6736, 6776, 6930, 7260, 7578, 7623, 7920, 8420, 8470, 8712, 8841, 9240, 9262, 9680, 10104, 10164, 10890, 11088, 11788, 12630, 12705, 13552, 13860, 13893, 14520, 14735, 15156, 15246, 16840, 16940, 17424, 17682, 18480, 18524, 18945, 20208, 20328, 21780, 23155, 23576, 25260, 25410, 26523, 27720, 27786, 29040, 29470, 30312, 30492, 32417, 33680, 33880, 35364, 37048, 37890, 38115, 40656, 41679, 43560, 44205, 46310, 47152, 50520, 50820, 50941, 53046, 55440, 55572, 58940, 60624, 60984, 64834, 67760, 69465, 70728, 74096, 75780, 76230, 83358, 87120, 88410, 92620, 97251, 101040, 101640, 101882, 106092, 111144, 117880, 121968, 129668, 132615, 138930, 141456, 151560, 152460, 152823, 162085, 166716, 176820, 185240, 194502, 203280, 203764, 208395, 212184, 222288, 235760, 254705, 259336, 265230, 277860, 291753, 303120, 304920, 305646, 324170, 333432, 353640, 356587, 370480, 389004, 407528, 416790, 424368, 458469, 486255, 509410, 518672, 530460, 555720, 583506, 609840, 611292, 648340, 666864, 707280, 713174, 764115, 778008, 815056, 833580, 916938, 972510, 1018820, 1060920, 1069761, 1111440, 1167012, 1222584, 1296680, 1426348, 1458765, 1528230, 1556016, 1667160, 1782935, 1833876, 1945020, 2037640, 2121840, 2139522, 2292345, 2334024, 2445168, 2593360, 2852696, 2917530, 3056460, 3209283, 3334320, 3565870, 3667752, 3890040, 4075280, 4279044, 4584690, 4668048, 5348805, 5705392, 5835060, 6112920, 6418566, 7131740, 7335504, 7780080, 8558088, 9169380, 10697610, 11670120, 12225840, 12837132, 14263480, 16046415, 17116176, 18338760, 21395220, 23340240, 25674264, 28526960, 32092830, 36677520, 42790440, 51348528, 64185660, 85580880, 128371320, 256742640]

約数ペア:

[(1, 256742640), (2, 128371320), (3, 85580880), (4, 64185660), (5, 51348528), (6, 42790440), (7, 36677520), (8, 32092830), (9, 28526960), (10, 25674264), (11, 23340240), (12, 21395220), (14, 18338760), (15, 17116176), (16, 16046415), (18, 14263480), (20, 12837132), (21, 12225840), (22, 11670120), (24, 10697610), (28, 9169380), (30, 8558088), (33, 7780080), (35, 7335504), (36, 7131740), (40, 6418566), (42, 6112920), (44, 5835060), (45, 5705392), (48, 5348805), (55, 4668048), (56, 4584690), (60, 4279044), (63, 4075280), (66, 3890040), (70, 3667752), (72, 3565870), (77, 3334320), (80, 3209283), (84, 3056460), (88, 2917530), (90, 2852696), (99, 2593360), (105, 2445168), (110, 2334024), (112, 2292345), (120, 2139522), (121, 2121840), (126, 2037640), (132, 1945020), (140, 1833876), (144, 1782935), (154, 1667160), (165, 1556016), (168, 1528230), (176, 1458765), (180, 1426348), (198, 1296680), (210, 1222584), (220, 1167012), (231, 1111440), (240, 1069761), (242, 1060920), (252, 1018820), (264, 972510), (280, 916938), (308, 833580), (315, 815056), (330, 778008), (336, 764115), (360, 713174), (363, 707280), (385, 666864), (396, 648340), (420, 611292), (421, 609840), (440, 583506), (462, 555720), (484, 530460), (495, 518672), (504, 509410), (528, 486255), (560, 458469), (605, 424368), (616, 416790), (630, 407528), (660, 389004), (693, 370480), (720, 356587), (726, 353640), (770, 333432), (792, 324170), (840, 305646), (842, 304920), (847, 303120), (880, 291753), (924, 277860), (968, 265230), (990, 259336), (1008, 254705), (1089, 235760), (1155, 222288), (1210, 212184), (1232, 208395), (1260, 203764), (1263, 203280), (1320, 194502), (1386, 185240), (1452, 176820), (1540, 166716), (1584, 162085), (1680, 152823), (1684, 152460), (1694, 151560), (1815, 141456), (1848, 138930), (1936, 132615), (1980, 129668), (2105, 121968), (2178, 117880), (2310, 111144), (2420, 106092), (2520, 101882), (2526, 101640), (2541, 101040), (2640, 97251), (2772, 92620), (2904, 88410), (2947, 87120), (3080, 83358), (3368, 76230), (3388, 75780), (3465, 74096), (3630, 70728), (3696, 69465), (3789, 67760), (3960, 64834), (4210, 60984), (4235, 60624), (4356, 58940), (4620, 55572), (4631, 55440), (4840, 53046), (5040, 50941), (5052, 50820), (5082, 50520), (5445, 47152), (5544, 46310), (5808, 44205), (5894, 43560), (6160, 41679), (6315, 40656), (6736, 38115), (6776, 37890), (6930, 37048), (7260, 35364), (7578, 33880), (7623, 33680), (7920, 32417), (8420, 30492), (8470, 30312), (8712, 29470), (8841, 29040), (9240, 27786), (9262, 27720), (9680, 26523), (10104, 25410), (10164, 25260), (10890, 23576), (11088, 23155), (11788, 21780), (12630, 20328), (12705, 20208), (13552, 18945), (13860, 18524), (13893, 18480), (14520, 17682), (14735, 17424), (15156, 16940), (15246, 16840)]