166825680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:721

約数の個数: 160

約数和(自身を含む): 595200000

約数和(自身を除く): 428374320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 199, 210, 240, 280, 336, 398, 420, 499, 560, 597, 796, 840, 995, 998, 1194, 1393, 1497, 1592, 1680, 1990, 1996, 2388, 2495, 2786, 2985, 2994, 3184, 3493, 3980, 3992, 4179, 4776, 4990, 5572, 5970, 5988, 6965, 6986, 7485, 7960, 7984, 8358, 9552, 9980, 10479, 11144, 11940, 11976, 13930, 13972, 14970, 15920, 16716, 17465, 19960, 20895, 20958, 22288, 23880, 23952, 27860, 27944, 29940, 33432, 34930, 39920, 41790, 41916, 47760, 52395, 55720, 55888, 59880, 66864, 69860, 83580, 83832, 99301, 104790, 111440, 119760, 139720, 167160, 167664, 198602, 209580, 279440, 297903, 334320, 397204, 419160, 496505, 595806, 695107, 794408, 838320, 993010, 1191612, 1390214, 1489515, 1588816, 1986020, 2085321, 2383224, 2780428, 2979030, 3475535, 3972040, 4170642, 4766448, 5560856, 5958060, 6951070, 7944080, 8341284, 10426605, 11121712, 11916120, 13902140, 16682568, 20853210, 23832240, 27804280, 33365136, 41706420, 55608560, 83412840, 166825680]

約数ペア:

[(1, 166825680), (2, 83412840), (3, 55608560), (4, 41706420), (5, 33365136), (6, 27804280), (7, 23832240), (8, 20853210), (10, 16682568), (12, 13902140), (14, 11916120), (15, 11121712), (16, 10426605), (20, 8341284), (21, 7944080), (24, 6951070), (28, 5958060), (30, 5560856), (35, 4766448), (40, 4170642), (42, 3972040), (48, 3475535), (56, 2979030), (60, 2780428), (70, 2383224), (80, 2085321), (84, 1986020), (105, 1588816), (112, 1489515), (120, 1390214), (140, 1191612), (168, 993010), (199, 838320), (210, 794408), (240, 695107), (280, 595806), (336, 496505), (398, 419160), (420, 397204), (499, 334320), (560, 297903), (597, 279440), (796, 209580), (840, 198602), (995, 167664), (998, 167160), (1194, 139720), (1393, 119760), (1497, 111440), (1592, 104790), (1680, 99301), (1990, 83832), (1996, 83580), (2388, 69860), (2495, 66864), (2786, 59880), (2985, 55888), (2994, 55720), (3184, 52395), (3493, 47760), (3980, 41916), (3992, 41790), (4179, 39920), (4776, 34930), (4990, 33432), (5572, 29940), (5970, 27944), (5988, 27860), (6965, 23952), (6986, 23880), (7485, 22288), (7960, 20958), (7984, 20895), (8358, 19960), (9552, 17465), (9980, 16716), (10479, 15920), (11144, 14970), (11940, 13972), (11976, 13930)]