260981728

素因数分解:

$2^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 608707008

約数和(自身を除く): 347725280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 82, 112, 157, 164, 181, 224, 287, 314, 328, 362, 574, 628, 656, 724, 1099, 1148, 1256, 1267, 1312, 1448, 2198, 2296, 2512, 2534, 2896, 4396, 4592, 5024, 5068, 5792, 6437, 7421, 8792, 9184, 10136, 12874, 14842, 17584, 20272, 25748, 28417, 29684, 35168, 40544, 45059, 51496, 51947, 56834, 59368, 90118, 102992, 103894, 113668, 118736, 180236, 198919, 205984, 207788, 227336, 237472, 360472, 397838, 415576, 454672, 720944, 795676, 831152, 909344, 1165097, 1441888, 1591352, 1662304, 2330194, 3182704, 4660388, 6365408, 8155679, 9320776, 16311358, 18641552, 32622716, 37283104, 65245432, 130490864, 260981728]

約数ペア:

[(1, 260981728), (2, 130490864), (4, 65245432), (7, 37283104), (8, 32622716), (14, 18641552), (16, 16311358), (28, 9320776), (32, 8155679), (41, 6365408), (56, 4660388), (82, 3182704), (112, 2330194), (157, 1662304), (164, 1591352), (181, 1441888), (224, 1165097), (287, 909344), (314, 831152), (328, 795676), (362, 720944), (574, 454672), (628, 415576), (656, 397838), (724, 360472), (1099, 237472), (1148, 227336), (1256, 207788), (1267, 205984), (1312, 198919), (1448, 180236), (2198, 118736), (2296, 113668), (2512, 103894), (2534, 102992), (2896, 90118), (4396, 59368), (4592, 56834), (5024, 51947), (5068, 51496), (5792, 45059), (6437, 40544), (7421, 35168), (8792, 29684), (9184, 28417), (10136, 25748), (12874, 20272), (14842, 17584)]