199939680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3229}}^1$

素因数の和:3293

約数の個数: 144

約数和(自身を含む): 698377680

約数和(自身を除く): 498438000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 3096, 3229, 3440, 3870, 4128, 5160, 6192, 6458, 6880, 7740, 9687, 10320, 12384, 12916, 15480, 16145, 19374, 20640, 25832, 29061, 30960, 32290, 38748, 48435, 51664, 58122, 61920, 64580, 77496, 96870, 103328, 116244, 129160, 138847, 145305, 154992, 193740, 232488, 258320, 277694, 290610, 309984, 387480, 416541, 464976, 516640, 555388, 581220, 694235, 774960, 833082, 929952, 1110776, 1162440, 1249623, 1388470, 1549920, 1666164, 2082705, 2221552, 2324880, 2499246, 2776940, 3332328, 4165410, 4443104, 4649760, 4998492, 5553880, 6248115, 6664656, 8330820, 9996984, 11107760, 12496230, 13329312, 16661640, 19993968, 22215520, 24992460, 33323280, 39987936, 49984920, 66646560, 99969840, 199939680]

約数ペア:

[(1, 199939680), (2, 99969840), (3, 66646560), (4, 49984920), (5, 39987936), (6, 33323280), (8, 24992460), (9, 22215520), (10, 19993968), (12, 16661640), (15, 13329312), (16, 12496230), (18, 11107760), (20, 9996984), (24, 8330820), (30, 6664656), (32, 6248115), (36, 5553880), (40, 4998492), (43, 4649760), (45, 4443104), (48, 4165410), (60, 3332328), (72, 2776940), (80, 2499246), (86, 2324880), (90, 2221552), (96, 2082705), (120, 1666164), (129, 1549920), (144, 1388470), (160, 1249623), (172, 1162440), (180, 1110776), (215, 929952), (240, 833082), (258, 774960), (288, 694235), (344, 581220), (360, 555388), (387, 516640), (430, 464976), (480, 416541), (516, 387480), (645, 309984), (688, 290610), (720, 277694), (774, 258320), (860, 232488), (1032, 193740), (1290, 154992), (1376, 145305), (1440, 138847), (1548, 129160), (1720, 116244), (1935, 103328), (2064, 96870), (2580, 77496), (3096, 64580), (3229, 61920), (3440, 58122), (3870, 51664), (4128, 48435), (5160, 38748), (6192, 32290), (6458, 30960), (6880, 29061), (7740, 25832), (9687, 20640), (10320, 19374), (12384, 16145), (12916, 15480)]