256272984

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:415

約数の個数: 160

約数和(自身を含む): 791485200

約数和(自身を除く): 535212216

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 132, 157, 162, 198, 216, 229, 264, 297, 314, 324, 396, 458, 471, 594, 628, 648, 687, 792, 891, 916, 942, 1188, 1256, 1374, 1413, 1727, 1782, 1832, 1884, 2061, 2376, 2519, 2748, 2826, 3454, 3564, 3768, 4122, 4239, 5038, 5181, 5496, 5652, 6183, 6908, 7128, 7557, 8244, 8478, 10076, 10362, 11304, 12366, 12717, 13816, 15114, 15543, 16488, 16956, 18549, 20152, 20724, 22671, 24732, 25434, 30228, 31086, 33912, 35953, 37098, 41448, 45342, 46629, 49464, 50868, 60456, 62172, 68013, 71906, 74196, 90684, 93258, 101736, 107859, 124344, 136026, 139887, 143812, 148392, 181368, 186516, 204039, 215718, 272052, 279774, 287624, 323577, 373032, 395483, 408078, 431436, 544104, 559548, 647154, 790966, 816156, 862872, 970731, 1119096, 1186449, 1294308, 1581932, 1632312, 1941462, 2372898, 2588616, 2912193, 3163864, 3559347, 3882924, 4745796, 5824386, 7118694, 7765848, 9491592, 10678041, 11648772, 14237388, 21356082, 23297544, 28474776, 32034123, 42712164, 64068246, 85424328, 128136492, 256272984]

約数ペア:

[(1, 256272984), (2, 128136492), (3, 85424328), (4, 64068246), (6, 42712164), (8, 32034123), (9, 28474776), (11, 23297544), (12, 21356082), (18, 14237388), (22, 11648772), (24, 10678041), (27, 9491592), (33, 7765848), (36, 7118694), (44, 5824386), (54, 4745796), (66, 3882924), (72, 3559347), (81, 3163864), (88, 2912193), (99, 2588616), (108, 2372898), (132, 1941462), (157, 1632312), (162, 1581932), (198, 1294308), (216, 1186449), (229, 1119096), (264, 970731), (297, 862872), (314, 816156), (324, 790966), (396, 647154), (458, 559548), (471, 544104), (594, 431436), (628, 408078), (648, 395483), (687, 373032), (792, 323577), (891, 287624), (916, 279774), (942, 272052), (1188, 215718), (1256, 204039), (1374, 186516), (1413, 181368), (1727, 148392), (1782, 143812), (1832, 139887), (1884, 136026), (2061, 124344), (2376, 107859), (2519, 101736), (2748, 93258), (2826, 90684), (3454, 74196), (3564, 71906), (3768, 68013), (4122, 62172), (4239, 60456), (5038, 50868), (5181, 49464), (5496, 46629), (5652, 45342), (6183, 41448), (6908, 37098), (7128, 35953), (7557, 33912), (8244, 31086), (8478, 30228), (10076, 25434), (10362, 24732), (11304, 22671), (12366, 20724), (12717, 20152), (13816, 18549), (15114, 16956), (15543, 16488)]