168664440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1009}}^1$

素因数の和:1229

約数の個数: 128

約数和(自身を含む): 581760000

約数和(自身を除く): 413095560

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, 1009, 1194, 1393, 1592, 1990, 2018, 2388, 2786, 2985, 3027, 3980, 4036, 4179, 4776, 5045, 5572, 5970, 6054, 6965, 7063, 7960, 8072, 8358, 10090, 11144, 11940, 12108, 13930, 14126, 15135, 16716, 20180, 20895, 21189, 23880, 24216, 27860, 28252, 30270, 33432, 35315, 40360, 41790, 42378, 55720, 56504, 60540, 70630, 83580, 84756, 105945, 121080, 141260, 167160, 169512, 200791, 211890, 282520, 401582, 423780, 602373, 803164, 847560, 1003955, 1204746, 1405537, 1606328, 2007910, 2409492, 2811074, 3011865, 4015820, 4216611, 4818984, 5622148, 6023730, 7027685, 8031640, 8433222, 11244296, 12047460, 14055370, 16866444, 21083055, 24094920, 28110740, 33732888, 42166110, 56221480, 84332220, 168664440]

約数ペア:

[(1, 168664440), (2, 84332220), (3, 56221480), (4, 42166110), (5, 33732888), (6, 28110740), (7, 24094920), (8, 21083055), (10, 16866444), (12, 14055370), (14, 12047460), (15, 11244296), (20, 8433222), (21, 8031640), (24, 7027685), (28, 6023730), (30, 5622148), (35, 4818984), (40, 4216611), (42, 4015820), (56, 3011865), (60, 2811074), (70, 2409492), (84, 2007910), (105, 1606328), (120, 1405537), (140, 1204746), (168, 1003955), (199, 847560), (210, 803164), (280, 602373), (398, 423780), (420, 401582), (597, 282520), (796, 211890), (840, 200791), (995, 169512), (1009, 167160), (1194, 141260), (1393, 121080), (1592, 105945), (1990, 84756), (2018, 83580), (2388, 70630), (2786, 60540), (2985, 56504), (3027, 55720), (3980, 42378), (4036, 41790), (4179, 40360), (4776, 35315), (5045, 33432), (5572, 30270), (5970, 28252), (6054, 27860), (6965, 24216), (7063, 23880), (7960, 21189), (8072, 20895), (8358, 20180), (10090, 16716), (11144, 15135), (11940, 14126), (12108, 13930)]