17951640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 65007360

約数和(自身を除く): 47055720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 49, 56, 60, 70, 71, 84, 86, 98, 105, 120, 129, 140, 142, 147, 168, 172, 196, 210, 213, 215, 245, 258, 280, 284, 294, 301, 344, 355, 392, 420, 426, 430, 490, 497, 516, 568, 588, 602, 645, 710, 735, 840, 852, 860, 903, 980, 994, 1032, 1065, 1176, 1204, 1290, 1420, 1470, 1491, 1505, 1704, 1720, 1806, 1960, 1988, 2107, 2130, 2408, 2485, 2580, 2840, 2940, 2982, 3010, 3053, 3479, 3612, 3976, 4214, 4260, 4515, 4970, 5160, 5880, 5964, 6020, 6106, 6321, 6958, 7224, 7455, 8428, 8520, 9030, 9159, 9940, 10437, 10535, 11928, 12040, 12212, 12642, 13916, 14910, 15265, 16856, 17395, 18060, 18318, 19880, 20874, 21070, 21371, 24424, 25284, 27832, 29820, 30530, 31605, 34790, 36120, 36636, 41748, 42140, 42742, 45795, 50568, 52185, 59640, 61060, 63210, 64113, 69580, 73272, 83496, 84280, 85484, 91590, 104370, 106855, 122120, 126420, 128226, 139160, 149597, 170968, 183180, 208740, 213710, 252840, 256452, 299194, 320565, 366360, 417480, 427420, 448791, 512904, 598388, 641130, 747985, 854840, 897582, 1196776, 1282260, 1495970, 1795164, 2243955, 2564520, 2991940, 3590328, 4487910, 5983880, 8975820, 17951640]

約数ペア:

[(1, 17951640), (2, 8975820), (3, 5983880), (4, 4487910), (5, 3590328), (6, 2991940), (7, 2564520), (8, 2243955), (10, 1795164), (12, 1495970), (14, 1282260), (15, 1196776), (20, 897582), (21, 854840), (24, 747985), (28, 641130), (30, 598388), (35, 512904), (40, 448791), (42, 427420), (43, 417480), (49, 366360), (56, 320565), (60, 299194), (70, 256452), (71, 252840), (84, 213710), (86, 208740), (98, 183180), (105, 170968), (120, 149597), (129, 139160), (140, 128226), (142, 126420), (147, 122120), (168, 106855), (172, 104370), (196, 91590), (210, 85484), (213, 84280), (215, 83496), (245, 73272), (258, 69580), (280, 64113), (284, 63210), (294, 61060), (301, 59640), (344, 52185), (355, 50568), (392, 45795), (420, 42742), (426, 42140), (430, 41748), (490, 36636), (497, 36120), (516, 34790), (568, 31605), (588, 30530), (602, 29820), (645, 27832), (710, 25284), (735, 24424), (840, 21371), (852, 21070), (860, 20874), (903, 19880), (980, 18318), (994, 18060), (1032, 17395), (1065, 16856), (1176, 15265), (1204, 14910), (1290, 13916), (1420, 12642), (1470, 12212), (1491, 12040), (1505, 11928), (1704, 10535), (1720, 10437), (1806, 9940), (1960, 9159), (1988, 9030), (2107, 8520), (2130, 8428), (2408, 7455), (2485, 7224), (2580, 6958), (2840, 6321), (2940, 6106), (2982, 6020), (3010, 5964), (3053, 5880), (3479, 5160), (3612, 4970), (3976, 4515), (4214, 4260)]