257288304

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 240

約数和(自身を含む): 862659072

約数和(自身を除く): 605370768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 23, 24, 26, 28, 39, 42, 46, 48, 52, 56, 69, 78, 84, 91, 92, 104, 112, 138, 156, 161, 168, 169, 182, 184, 197, 208, 273, 276, 299, 312, 322, 336, 338, 364, 368, 394, 483, 507, 546, 552, 591, 598, 624, 644, 676, 728, 788, 897, 966, 1014, 1092, 1104, 1182, 1183, 1196, 1288, 1352, 1379, 1456, 1576, 1794, 1932, 2028, 2093, 2184, 2364, 2366, 2392, 2561, 2576, 2704, 2758, 3152, 3549, 3588, 3864, 3887, 4056, 4137, 4186, 4368, 4531, 4728, 4732, 4784, 5122, 5516, 6279, 7098, 7176, 7683, 7728, 7774, 8112, 8274, 8372, 9062, 9456, 9464, 10244, 11032, 11661, 12558, 13593, 14196, 14352, 15366, 15548, 16548, 16744, 17927, 18124, 18928, 20488, 22064, 23322, 25116, 27186, 27209, 28392, 30732, 31096, 31717, 33096, 33293, 33488, 35854, 36248, 40976, 46644, 50232, 53781, 54372, 54418, 56784, 58903, 61464, 62192, 63434, 66192, 66586, 71708, 72496, 81627, 93288, 95151, 99879, 100464, 107562, 108744, 108836, 117806, 122928, 126868, 133172, 143416, 163254, 176709, 186576, 190302, 199758, 215124, 217488, 217672, 233051, 235612, 253736, 266344, 286832, 326508, 353418, 380604, 399516, 412321, 430248, 435344, 466102, 471224, 507472, 532688, 653016, 699153, 706836, 761208, 765739, 799032, 824642, 860496, 932204, 942448, 1236963, 1306032, 1398306, 1413672, 1522416, 1531478, 1598064, 1649284, 1864408, 2297217, 2473926, 2796612, 2827344, 3062956, 3298568, 3728816, 4594434, 4947852, 5360173, 5593224, 6125912, 6597136, 9188868, 9895704, 10720346, 11186448, 12251824, 16080519, 18377736, 19791408, 21440692, 32161038, 36755472, 42881384, 64322076, 85762768, 128644152, 257288304]

約数ペア:

[(1, 257288304), (2, 128644152), (3, 85762768), (4, 64322076), (6, 42881384), (7, 36755472), (8, 32161038), (12, 21440692), (13, 19791408), (14, 18377736), (16, 16080519), (21, 12251824), (23, 11186448), (24, 10720346), (26, 9895704), (28, 9188868), (39, 6597136), (42, 6125912), (46, 5593224), (48, 5360173), (52, 4947852), (56, 4594434), (69, 3728816), (78, 3298568), (84, 3062956), (91, 2827344), (92, 2796612), (104, 2473926), (112, 2297217), (138, 1864408), (156, 1649284), (161, 1598064), (168, 1531478), (169, 1522416), (182, 1413672), (184, 1398306), (197, 1306032), (208, 1236963), (273, 942448), (276, 932204), (299, 860496), (312, 824642), (322, 799032), (336, 765739), (338, 761208), (364, 706836), (368, 699153), (394, 653016), (483, 532688), (507, 507472), (546, 471224), (552, 466102), (591, 435344), (598, 430248), (624, 412321), (644, 399516), (676, 380604), (728, 353418), (788, 326508), (897, 286832), (966, 266344), (1014, 253736), (1092, 235612), (1104, 233051), (1182, 217672), (1183, 217488), (1196, 215124), (1288, 199758), (1352, 190302), (1379, 186576), (1456, 176709), (1576, 163254), (1794, 143416), (1932, 133172), (2028, 126868), (2093, 122928), (2184, 117806), (2364, 108836), (2366, 108744), (2392, 107562), (2561, 100464), (2576, 99879), (2704, 95151), (2758, 93288), (3152, 81627), (3549, 72496), (3588, 71708), (3864, 66586), (3887, 66192), (4056, 63434), (4137, 62192), (4186, 61464), (4368, 58903), (4531, 56784), (4728, 54418), (4732, 54372), (4784, 53781), (5122, 50232), (5516, 46644), (6279, 40976), (7098, 36248), (7176, 35854), (7683, 33488), (7728, 33293), (7774, 33096), (8112, 31717), (8274, 31096), (8372, 30732), (9062, 28392), (9456, 27209), (9464, 27186), (10244, 25116), (11032, 23322), (11661, 22064), (12558, 20488), (13593, 18928), (14196, 18124), (14352, 17927), (15366, 16744), (15548, 16548)]