287101320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{827}}^1$

素因数の和:1115

約数の個数: 128

約数和(自身を含む): 944317440

約数和(自身を除く): 657216120

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, 220, 263, 264, 330, 440, 526, 660, 789, 827, 1052, 1315, 1320, 1578, 1654, 2104, 2481, 2630, 2893, 3156, 3308, 3945, 4135, 4962, 5260, 5786, 6312, 6616, 7890, 8270, 8679, 9097, 9924, 10520, 11572, 12405, 14465, 15780, 16540, 17358, 18194, 19848, 23144, 24810, 27291, 28930, 31560, 33080, 34716, 36388, 43395, 45485, 49620, 54582, 57860, 69432, 72776, 86790, 90970, 99240, 109164, 115720, 136455, 173580, 181940, 217501, 218328, 272910, 347160, 363880, 435002, 545820, 652503, 870004, 1087505, 1091640, 1305006, 1740008, 2175010, 2392511, 2610012, 3262515, 4350020, 4785022, 5220024, 6525030, 7177533, 8700040, 9570044, 11962555, 13050060, 14355066, 19140088, 23925110, 26100120, 28710132, 35887665, 47850220, 57420264, 71775330, 95700440, 143550660, 287101320]

約数ペア:

[(1, 287101320), (2, 143550660), (3, 95700440), (4, 71775330), (5, 57420264), (6, 47850220), (8, 35887665), (10, 28710132), (11, 26100120), (12, 23925110), (15, 19140088), (20, 14355066), (22, 13050060), (24, 11962555), (30, 9570044), (33, 8700040), (40, 7177533), (44, 6525030), (55, 5220024), (60, 4785022), (66, 4350020), (88, 3262515), (110, 2610012), (120, 2392511), (132, 2175010), (165, 1740008), (220, 1305006), (263, 1091640), (264, 1087505), (330, 870004), (440, 652503), (526, 545820), (660, 435002), (789, 363880), (827, 347160), (1052, 272910), (1315, 218328), (1320, 217501), (1578, 181940), (1654, 173580), (2104, 136455), (2481, 115720), (2630, 109164), (2893, 99240), (3156, 90970), (3308, 86790), (3945, 72776), (4135, 69432), (4962, 57860), (5260, 54582), (5786, 49620), (6312, 45485), (6616, 43395), (7890, 36388), (8270, 34716), (8679, 33080), (9097, 31560), (9924, 28930), (10520, 27291), (11572, 24810), (12405, 23144), (14465, 19848), (15780, 18194), (16540, 17358)]