320020008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1103}}^1$

素因数の和:1287

約数の個数: 128

約数和(自身を含む): 1004728320

約数和(自身を除く): 684708312

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 157, 168, 231, 264, 308, 314, 462, 471, 616, 628, 924, 942, 1099, 1103, 1256, 1727, 1848, 1884, 2198, 2206, 3297, 3309, 3454, 3768, 4396, 4412, 5181, 6594, 6618, 6908, 7721, 8792, 8824, 10362, 12089, 12133, 13188, 13236, 13816, 15442, 20724, 23163, 24178, 24266, 26376, 26472, 30884, 36267, 36399, 41448, 46326, 48356, 48532, 61768, 72534, 72798, 84931, 92652, 96712, 97064, 145068, 145596, 169862, 173171, 185304, 254793, 290136, 291192, 339724, 346342, 509586, 519513, 679448, 692684, 1019172, 1039026, 1212197, 1385368, 1904881, 2038344, 2078052, 2424394, 3636591, 3809762, 4156104, 4848788, 5714643, 7273182, 7619524, 9697576, 11429286, 13334167, 14546364, 15239048, 22858572, 26668334, 29092728, 40002501, 45717144, 53336668, 80005002, 106673336, 160010004, 320020008]

約数ペア:

[(1, 320020008), (2, 160010004), (3, 106673336), (4, 80005002), (6, 53336668), (7, 45717144), (8, 40002501), (11, 29092728), (12, 26668334), (14, 22858572), (21, 15239048), (22, 14546364), (24, 13334167), (28, 11429286), (33, 9697576), (42, 7619524), (44, 7273182), (56, 5714643), (66, 4848788), (77, 4156104), (84, 3809762), (88, 3636591), (132, 2424394), (154, 2078052), (157, 2038344), (168, 1904881), (231, 1385368), (264, 1212197), (308, 1039026), (314, 1019172), (462, 692684), (471, 679448), (616, 519513), (628, 509586), (924, 346342), (942, 339724), (1099, 291192), (1103, 290136), (1256, 254793), (1727, 185304), (1848, 173171), (1884, 169862), (2198, 145596), (2206, 145068), (3297, 97064), (3309, 96712), (3454, 92652), (3768, 84931), (4396, 72798), (4412, 72534), (5181, 61768), (6594, 48532), (6618, 48356), (6908, 46326), (7721, 41448), (8792, 36399), (8824, 36267), (10362, 30884), (12089, 26472), (12133, 26376), (13188, 24266), (13236, 24178), (13816, 23163), (15442, 20724)]