80281761.000000000

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1789}}^1$

素因数の和:2062

約数の個数: 80

約数和(自身を含む): 343594080

約数和(自身を除く): 233248560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 1789, 2056, 2570, 3084, 3578, 3855, 4112, 5140, 5367, 6168, 7156, 7710, 8945, 10280, 10734, 12336, 14312, 15420, 17890, 20560, 21468, 26835, 28624, 30840, 35780, 42936, 53670, 61680, 71560, 85872, 107340, 143120, 214680, 429360, 459773, 919546, 1379319, 1839092, 2298865, 2758638, 3678184, 4597730, 5517276, 6896595, 7356368, 9195460, 11034552, 13793190, 18390920, 22069104, 27586380, 36781840, 55172760, 110345520]

約数ペア:

[(1, 110345520), (2, 55172760), (3, 36781840), (4, 27586380), (5, 22069104), (6, 18390920), (8, 13793190), (10, 11034552), (12, 9195460), (15, 7356368), (16, 6896595), (20, 5517276), (24, 4597730), (30, 3678184), (40, 2758638), (48, 2298865), (60, 1839092), (80, 1379319), (120, 919546), (240, 459773), (257, 429360), (514, 214680), (771, 143120), (1028, 107340), (1285, 85872), (1542, 71560), (1789, 61680), (2056, 53670), (2570, 42936), (3084, 35780), (3578, 30840), (3855, 28624), (4112, 26835), (5140, 21468), (5367, 20560), (6168, 17890), (7156, 15420), (7710, 14312), (8945, 12336), (10280, 10734)]