18566520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:106

約数の個数: 192

約数和(自身を含む): 68636160

約数和(自身を除く): 50069640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 31, 35, 40, 42, 46, 56, 60, 62, 69, 70, 84, 92, 93, 105, 115, 120, 124, 138, 140, 155, 161, 168, 184, 186, 210, 217, 230, 248, 276, 280, 310, 322, 345, 372, 420, 434, 460, 465, 483, 552, 620, 644, 651, 690, 713, 744, 805, 840, 868, 920, 930, 961, 966, 1085, 1240, 1288, 1302, 1380, 1426, 1610, 1736, 1860, 1922, 1932, 2139, 2170, 2415, 2604, 2760, 2852, 2883, 3220, 3255, 3565, 3720, 3844, 3864, 4278, 4340, 4805, 4830, 4991, 5208, 5704, 5766, 6440, 6510, 6727, 7130, 7688, 8556, 8680, 9610, 9660, 9982, 10695, 11532, 13020, 13454, 14260, 14415, 14973, 17112, 19220, 19320, 19964, 20181, 21390, 22103, 23064, 24955, 26040, 26908, 28520, 28830, 29946, 33635, 38440, 39928, 40362, 42780, 44206, 49910, 53816, 57660, 59892, 66309, 67270, 74865, 80724, 85560, 88412, 99820, 100905, 110515, 115320, 119784, 132618, 134540, 149730, 154721, 161448, 176824, 199640, 201810, 221030, 265236, 269080, 299460, 309442, 331545, 403620, 442060, 464163, 530472, 598920, 618884, 663090, 773605, 807240, 884120, 928326, 1237768, 1326180, 1547210, 1856652, 2320815, 2652360, 3094420, 3713304, 4641630, 6188840, 9283260, 18566520]

約数ペア:

[(1, 18566520), (2, 9283260), (3, 6188840), (4, 4641630), (5, 3713304), (6, 3094420), (7, 2652360), (8, 2320815), (10, 1856652), (12, 1547210), (14, 1326180), (15, 1237768), (20, 928326), (21, 884120), (23, 807240), (24, 773605), (28, 663090), (30, 618884), (31, 598920), (35, 530472), (40, 464163), (42, 442060), (46, 403620), (56, 331545), (60, 309442), (62, 299460), (69, 269080), (70, 265236), (84, 221030), (92, 201810), (93, 199640), (105, 176824), (115, 161448), (120, 154721), (124, 149730), (138, 134540), (140, 132618), (155, 119784), (161, 115320), (168, 110515), (184, 100905), (186, 99820), (210, 88412), (217, 85560), (230, 80724), (248, 74865), (276, 67270), (280, 66309), (310, 59892), (322, 57660), (345, 53816), (372, 49910), (420, 44206), (434, 42780), (460, 40362), (465, 39928), (483, 38440), (552, 33635), (620, 29946), (644, 28830), (651, 28520), (690, 26908), (713, 26040), (744, 24955), (805, 23064), (840, 22103), (868, 21390), (920, 20181), (930, 19964), (961, 19320), (966, 19220), (1085, 17112), (1240, 14973), (1288, 14415), (1302, 14260), (1380, 13454), (1426, 13020), (1610, 11532), (1736, 10695), (1860, 9982), (1922, 9660), (1932, 9610), (2139, 8680), (2170, 8556), (2415, 7688), (2604, 7130), (2760, 6727), (2852, 6510), (2883, 6440), (3220, 5766), (3255, 5704), (3565, 5208), (3720, 4991), (3844, 4830), (3864, 4805), (4278, 4340)]