256012992

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:343

約数の個数: 168

約数和(自身を含む): 782574000

約数和(自身を除く): 526561008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 144, 149, 152, 157, 171, 192, 228, 288, 298, 304, 314, 342, 447, 456, 471, 576, 596, 608, 628, 684, 894, 912, 942, 1192, 1216, 1256, 1341, 1368, 1413, 1788, 1824, 1884, 2384, 2512, 2682, 2736, 2826, 2831, 2983, 3576, 3648, 3768, 4768, 5024, 5364, 5472, 5652, 5662, 5966, 7152, 7536, 8493, 8949, 9536, 10048, 10728, 10944, 11304, 11324, 11932, 14304, 15072, 16986, 17898, 21456, 22608, 22648, 23393, 23864, 25479, 26847, 28608, 30144, 33972, 35796, 42912, 45216, 45296, 46786, 47728, 50958, 53694, 67944, 70179, 71592, 85824, 90432, 90592, 93572, 95456, 101916, 107388, 135888, 140358, 143184, 181184, 187144, 190912, 203832, 210537, 214776, 271776, 280716, 286368, 374288, 407664, 421074, 429552, 444467, 543552, 561432, 572736, 748576, 815328, 842148, 859104, 888934, 1122864, 1333401, 1497152, 1630656, 1684296, 1718208, 1777868, 2245728, 2666802, 3368592, 3555736, 4000203, 4491456, 5333604, 6737184, 7111472, 8000406, 10667208, 13474368, 14222944, 16000812, 21334416, 28445888, 32001624, 42668832, 64003248, 85337664, 128006496, 256012992]

約数ペア:

[(1, 256012992), (2, 128006496), (3, 85337664), (4, 64003248), (6, 42668832), (8, 32001624), (9, 28445888), (12, 21334416), (16, 16000812), (18, 14222944), (19, 13474368), (24, 10667208), (32, 8000406), (36, 7111472), (38, 6737184), (48, 5333604), (57, 4491456), (64, 4000203), (72, 3555736), (76, 3368592), (96, 2666802), (114, 2245728), (144, 1777868), (149, 1718208), (152, 1684296), (157, 1630656), (171, 1497152), (192, 1333401), (228, 1122864), (288, 888934), (298, 859104), (304, 842148), (314, 815328), (342, 748576), (447, 572736), (456, 561432), (471, 543552), (576, 444467), (596, 429552), (608, 421074), (628, 407664), (684, 374288), (894, 286368), (912, 280716), (942, 271776), (1192, 214776), (1216, 210537), (1256, 203832), (1341, 190912), (1368, 187144), (1413, 181184), (1788, 143184), (1824, 140358), (1884, 135888), (2384, 107388), (2512, 101916), (2682, 95456), (2736, 93572), (2826, 90592), (2831, 90432), (2983, 85824), (3576, 71592), (3648, 70179), (3768, 67944), (4768, 53694), (5024, 50958), (5364, 47728), (5472, 46786), (5652, 45296), (5662, 45216), (5966, 42912), (7152, 35796), (7536, 33972), (8493, 30144), (8949, 28608), (9536, 26847), (10048, 25479), (10728, 23864), (10944, 23393), (11304, 22648), (11324, 22608), (11932, 21456), (14304, 17898), (15072, 16986)]