215911080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7789}}^1$

素因数の和:7824

約数の個数: 192

約数和(自身を含む): 874972800

約数和(自身を除く): 659061720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1540, 1848, 1980, 2310, 2520, 2772, 3080, 3465, 3960, 4620, 5544, 6930, 7789, 9240, 13860, 15578, 23367, 27720, 31156, 38945, 46734, 54523, 62312, 70101, 77890, 85679, 93468, 109046, 116835, 140202, 155780, 163569, 171358, 186936, 218092, 233670, 257037, 272615, 280404, 311560, 327138, 342716, 350505, 428395, 436184, 467340, 490707, 514074, 545230, 560808, 599753, 654276, 685432, 701010, 771111, 817845, 856790, 934680, 981414, 1028148, 1090460, 1199506, 1285185, 1308552, 1402020, 1542222, 1635690, 1713580, 1799259, 1962828, 2056296, 2180920, 2399012, 2453535, 2570370, 2804040, 2998765, 3084444, 3271380, 3427160, 3598518, 3855555, 3925656, 4798024, 4907070, 5140740, 5397777, 5997530, 6168888, 6542760, 7197036, 7711110, 8996295, 9814140, 10281480, 10795554, 11995060, 14394072, 15422220, 17992590, 19628280, 21591108, 23990120, 26988885, 30844440, 35985180, 43182216, 53977770, 71970360, 107955540, 215911080]

約数ペア:

[(1, 215911080), (2, 107955540), (3, 71970360), (4, 53977770), (5, 43182216), (6, 35985180), (7, 30844440), (8, 26988885), (9, 23990120), (10, 21591108), (11, 19628280), (12, 17992590), (14, 15422220), (15, 14394072), (18, 11995060), (20, 10795554), (21, 10281480), (22, 9814140), (24, 8996295), (28, 7711110), (30, 7197036), (33, 6542760), (35, 6168888), (36, 5997530), (40, 5397777), (42, 5140740), (44, 4907070), (45, 4798024), (55, 3925656), (56, 3855555), (60, 3598518), (63, 3427160), (66, 3271380), (70, 3084444), (72, 2998765), (77, 2804040), (84, 2570370), (88, 2453535), (90, 2399012), (99, 2180920), (105, 2056296), (110, 1962828), (120, 1799259), (126, 1713580), (132, 1635690), (140, 1542222), (154, 1402020), (165, 1308552), (168, 1285185), (180, 1199506), (198, 1090460), (210, 1028148), (220, 981414), (231, 934680), (252, 856790), (264, 817845), (280, 771111), (308, 701010), (315, 685432), (330, 654276), (360, 599753), (385, 560808), (396, 545230), (420, 514074), (440, 490707), (462, 467340), (495, 436184), (504, 428395), (616, 350505), (630, 342716), (660, 327138), (693, 311560), (770, 280404), (792, 272615), (840, 257037), (924, 233670), (990, 218092), (1155, 186936), (1260, 171358), (1320, 163569), (1386, 155780), (1540, 140202), (1848, 116835), (1980, 109046), (2310, 93468), (2520, 85679), (2772, 77890), (3080, 70101), (3465, 62312), (3960, 54523), (4620, 46734), (5544, 38945), (6930, 31156), (7789, 27720), (9240, 23367), (13860, 15578)]