256498704

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{701}}^1$

素因数の和:747

約数の個数: 240

約数和(自身を含む): 926190720

約数和(自身を除く): 669692016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 48, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 112, 121, 126, 132, 144, 154, 168, 176, 189, 198, 216, 231, 242, 252, 264, 297, 308, 336, 363, 378, 396, 432, 462, 484, 504, 528, 594, 616, 693, 701, 726, 756, 792, 847, 924, 968, 1008, 1089, 1188, 1232, 1386, 1402, 1452, 1512, 1584, 1694, 1848, 1936, 2079, 2103, 2178, 2376, 2541, 2772, 2804, 2904, 3024, 3267, 3388, 3696, 4158, 4206, 4356, 4752, 4907, 5082, 5544, 5608, 5808, 6309, 6534, 6776, 7623, 7711, 8316, 8412, 8712, 9814, 10164, 11088, 11216, 12618, 13068, 13552, 14721, 15246, 15422, 16632, 16824, 17424, 18927, 19628, 20328, 22869, 23133, 25236, 26136, 29442, 30492, 30844, 33264, 33648, 37854, 39256, 40656, 44163, 45738, 46266, 50472, 52272, 53977, 58884, 60984, 61688, 69399, 75708, 78512, 84821, 88326, 91476, 92532, 100944, 107954, 117768, 121968, 123376, 132489, 138798, 151416, 161931, 169642, 176652, 182952, 185064, 208197, 215908, 235536, 254463, 264978, 277596, 302832, 323862, 339284, 353304, 365904, 370128, 416394, 431816, 485793, 508926, 529956, 555192, 593747, 647724, 678568, 706608, 763389, 832788, 863632, 971586, 1017852, 1059912, 1110384, 1187494, 1295448, 1357136, 1457379, 1526778, 1665576, 1781241, 1943172, 2035704, 2119824, 2290167, 2374988, 2590896, 2914758, 3053556, 3331152, 3562482, 3886344, 4071408, 4580334, 4749976, 5343723, 5829516, 6107112, 7124964, 7772688, 9160668, 9499952, 10687446, 11659032, 12214224, 14249928, 16031169, 18321336, 21374892, 23318064, 28499856, 32062338, 36642672, 42749784, 64124676, 85499568, 128249352, 256498704]

約数ペア:

[(1, 256498704), (2, 128249352), (3, 85499568), (4, 64124676), (6, 42749784), (7, 36642672), (8, 32062338), (9, 28499856), (11, 23318064), (12, 21374892), (14, 18321336), (16, 16031169), (18, 14249928), (21, 12214224), (22, 11659032), (24, 10687446), (27, 9499952), (28, 9160668), (33, 7772688), (36, 7124964), (42, 6107112), (44, 5829516), (48, 5343723), (54, 4749976), (56, 4580334), (63, 4071408), (66, 3886344), (72, 3562482), (77, 3331152), (84, 3053556), (88, 2914758), (99, 2590896), (108, 2374988), (112, 2290167), (121, 2119824), (126, 2035704), (132, 1943172), (144, 1781241), (154, 1665576), (168, 1526778), (176, 1457379), (189, 1357136), (198, 1295448), (216, 1187494), (231, 1110384), (242, 1059912), (252, 1017852), (264, 971586), (297, 863632), (308, 832788), (336, 763389), (363, 706608), (378, 678568), (396, 647724), (432, 593747), (462, 555192), (484, 529956), (504, 508926), (528, 485793), (594, 431816), (616, 416394), (693, 370128), (701, 365904), (726, 353304), (756, 339284), (792, 323862), (847, 302832), (924, 277596), (968, 264978), (1008, 254463), (1089, 235536), (1188, 215908), (1232, 208197), (1386, 185064), (1402, 182952), (1452, 176652), (1512, 169642), (1584, 161931), (1694, 151416), (1848, 138798), (1936, 132489), (2079, 123376), (2103, 121968), (2178, 117768), (2376, 107954), (2541, 100944), (2772, 92532), (2804, 91476), (2904, 88326), (3024, 84821), (3267, 78512), (3388, 75708), (3696, 69399), (4158, 61688), (4206, 60984), (4356, 58884), (4752, 53977), (4907, 52272), (5082, 50472), (5544, 46266), (5608, 45738), (5808, 44163), (6309, 40656), (6534, 39256), (6776, 37854), (7623, 33648), (7711, 33264), (8316, 30844), (8412, 30492), (8712, 29442), (9814, 26136), (10164, 25236), (11088, 23133), (11216, 22869), (12618, 20328), (13068, 19628), (13552, 18927), (14721, 17424), (15246, 16824), (15422, 16632)]