80642760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 266112000

約数和(自身を除く): 185469240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 199, 220, 264, 307, 330, 398, 440, 597, 614, 660, 796, 921, 995, 1194, 1228, 1320, 1535, 1592, 1842, 1990, 2189, 2388, 2456, 2985, 3070, 3377, 3684, 3980, 4378, 4605, 4776, 5970, 6140, 6567, 6754, 7368, 7960, 8756, 9210, 10131, 10945, 11940, 12280, 13134, 13508, 16885, 17512, 18420, 20262, 21890, 23880, 26268, 27016, 32835, 33770, 36840, 40524, 43780, 50655, 52536, 61093, 65670, 67540, 81048, 87560, 101310, 122186, 131340, 135080, 183279, 202620, 244372, 262680, 305465, 366558, 405240, 488744, 610930, 672023, 733116, 916395, 1221860, 1344046, 1466232, 1832790, 2016069, 2443720, 2688092, 3360115, 3665580, 4032138, 5376184, 6720230, 7331160, 8064276, 10080345, 13440460, 16128552, 20160690, 26880920, 40321380, 80642760]

約数ペア:

[(1, 80642760), (2, 40321380), (3, 26880920), (4, 20160690), (5, 16128552), (6, 13440460), (8, 10080345), (10, 8064276), (11, 7331160), (12, 6720230), (15, 5376184), (20, 4032138), (22, 3665580), (24, 3360115), (30, 2688092), (33, 2443720), (40, 2016069), (44, 1832790), (55, 1466232), (60, 1344046), (66, 1221860), (88, 916395), (110, 733116), (120, 672023), (132, 610930), (165, 488744), (199, 405240), (220, 366558), (264, 305465), (307, 262680), (330, 244372), (398, 202620), (440, 183279), (597, 135080), (614, 131340), (660, 122186), (796, 101310), (921, 87560), (995, 81048), (1194, 67540), (1228, 65670), (1320, 61093), (1535, 52536), (1592, 50655), (1842, 43780), (1990, 40524), (2189, 36840), (2388, 33770), (2456, 32835), (2985, 27016), (3070, 26268), (3377, 23880), (3684, 21890), (3980, 20262), (4378, 18420), (4605, 17512), (4776, 16885), (5970, 13508), (6140, 13134), (6567, 12280), (6754, 11940), (7368, 10945), (7960, 10131), (8756, 9210)]