278236656

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:599

約数の個数: 120

約数和(自身を含む): 810952064

約数和(自身を除く): 532715408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 157, 186, 248, 279, 314, 372, 397, 471, 496, 558, 628, 744, 794, 942, 1116, 1191, 1256, 1413, 1488, 1588, 1884, 2232, 2382, 2512, 2826, 3176, 3573, 3768, 4464, 4764, 4867, 5652, 6352, 7146, 7536, 9528, 9734, 11304, 12307, 14292, 14601, 19056, 19468, 22608, 24614, 28584, 29202, 36921, 38936, 43803, 49228, 57168, 58404, 62329, 73842, 77872, 87606, 98456, 110763, 116808, 124658, 147684, 175212, 186987, 196912, 221526, 233616, 249316, 295368, 350424, 373974, 443052, 498632, 560961, 590736, 700848, 747948, 886104, 997264, 1121922, 1495896, 1772208, 1932199, 2243844, 2991792, 3864398, 4487688, 5796597, 7728796, 8975376, 11593194, 15457592, 17389791, 23186388, 30915184, 34779582, 46372776, 69559164, 92745552, 139118328, 278236656]

約数ペア:

[(1, 278236656), (2, 139118328), (3, 92745552), (4, 69559164), (6, 46372776), (8, 34779582), (9, 30915184), (12, 23186388), (16, 17389791), (18, 15457592), (24, 11593194), (31, 8975376), (36, 7728796), (48, 5796597), (62, 4487688), (72, 3864398), (93, 2991792), (124, 2243844), (144, 1932199), (157, 1772208), (186, 1495896), (248, 1121922), (279, 997264), (314, 886104), (372, 747948), (397, 700848), (471, 590736), (496, 560961), (558, 498632), (628, 443052), (744, 373974), (794, 350424), (942, 295368), (1116, 249316), (1191, 233616), (1256, 221526), (1413, 196912), (1488, 186987), (1588, 175212), (1884, 147684), (2232, 124658), (2382, 116808), (2512, 110763), (2826, 98456), (3176, 87606), (3573, 77872), (3768, 73842), (4464, 62329), (4764, 58404), (4867, 57168), (5652, 49228), (6352, 43803), (7146, 38936), (7536, 36921), (9528, 29202), (9734, 28584), (11304, 24614), (12307, 22608), (14292, 19468), (14601, 19056)]