166658520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1217

約数の個数: 128

約数和(自身を含む): 574848000

約数和(自身を除く): 408189480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 199, 210, 280, 398, 420, 597, 796, 840, 995, 997, 1194, 1393, 1592, 1990, 1994, 2388, 2786, 2985, 2991, 3980, 3988, 4179, 4776, 4985, 5572, 5970, 5982, 6965, 6979, 7960, 7976, 8358, 9970, 11144, 11940, 11964, 13930, 13958, 14955, 16716, 19940, 20895, 20937, 23880, 23928, 27860, 27916, 29910, 33432, 34895, 39880, 41790, 41874, 55720, 55832, 59820, 69790, 83580, 83748, 104685, 119640, 139580, 167160, 167496, 198403, 209370, 279160, 396806, 418740, 595209, 793612, 837480, 992015, 1190418, 1388821, 1587224, 1984030, 2380836, 2777642, 2976045, 3968060, 4166463, 4761672, 5555284, 5952090, 6944105, 7936120, 8332926, 11110568, 11904180, 13888210, 16665852, 20832315, 23808360, 27776420, 33331704, 41664630, 55552840, 83329260, 166658520]

約数ペア:

[(1, 166658520), (2, 83329260), (3, 55552840), (4, 41664630), (5, 33331704), (6, 27776420), (7, 23808360), (8, 20832315), (10, 16665852), (12, 13888210), (14, 11904180), (15, 11110568), (20, 8332926), (21, 7936120), (24, 6944105), (28, 5952090), (30, 5555284), (35, 4761672), (40, 4166463), (42, 3968060), (56, 2976045), (60, 2777642), (70, 2380836), (84, 1984030), (105, 1587224), (120, 1388821), (140, 1190418), (168, 992015), (199, 837480), (210, 793612), (280, 595209), (398, 418740), (420, 396806), (597, 279160), (796, 209370), (840, 198403), (995, 167496), (997, 167160), (1194, 139580), (1393, 119640), (1592, 104685), (1990, 83748), (1994, 83580), (2388, 69790), (2786, 59820), (2985, 55832), (2991, 55720), (3980, 41874), (3988, 41790), (4179, 39880), (4776, 34895), (4985, 33432), (5572, 29910), (5970, 27916), (5982, 27860), (6965, 23928), (6979, 23880), (7960, 20937), (7976, 20895), (8358, 19940), (9970, 16716), (11144, 14955), (11940, 13958), (11964, 13930)]