199715280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{857}}^1\times {\mathrm{971}}^1$

素因数の和:1844

約数の個数: 80

約数和(自身を含む): 620478144

約数和(自身を除く): 420762864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 857, 971, 1714, 1942, 2571, 2913, 3428, 3884, 4285, 4855, 5142, 5826, 6856, 7768, 8570, 9710, 10284, 11652, 12855, 13712, 14565, 15536, 17140, 19420, 20568, 23304, 25710, 29130, 34280, 38840, 41136, 46608, 51420, 58260, 68560, 77680, 102840, 116520, 205680, 233040, 832147, 1664294, 2496441, 3328588, 4160735, 4992882, 6657176, 8321470, 9985764, 12482205, 13314352, 16642940, 19971528, 24964410, 33285880, 39943056, 49928820, 66571760, 99857640, 199715280]

約数ペア:

[(1, 199715280), (2, 99857640), (3, 66571760), (4, 49928820), (5, 39943056), (6, 33285880), (8, 24964410), (10, 19971528), (12, 16642940), (15, 13314352), (16, 12482205), (20, 9985764), (24, 8321470), (30, 6657176), (40, 4992882), (48, 4160735), (60, 3328588), (80, 2496441), (120, 1664294), (240, 832147), (857, 233040), (971, 205680), (1714, 116520), (1942, 102840), (2571, 77680), (2913, 68560), (3428, 58260), (3884, 51420), (4285, 46608), (4855, 41136), (5142, 38840), (5826, 34280), (6856, 29130), (7768, 25710), (8570, 23304), (9710, 20568), (10284, 19420), (11652, 17140), (12855, 15536), (13712, 14565)]