328786080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^3\times {\mathrm{1997}}^1$

素因数の和:2036

約数の個数: 192

約数和(自身を含む): 1208390400

約数和(自身を除く): 879604320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 343, 392, 420, 480, 490, 560, 588, 672, 686, 735, 784, 840, 980, 1029, 1120, 1176, 1372, 1470, 1568, 1680, 1715, 1960, 1997, 2058, 2352, 2744, 2940, 3360, 3430, 3920, 3994, 4116, 4704, 5145, 5488, 5880, 5991, 6860, 7840, 7988, 8232, 9985, 10290, 10976, 11760, 11982, 13720, 13979, 15976, 16464, 19970, 20580, 23520, 23964, 27440, 27958, 29955, 31952, 32928, 39940, 41160, 41937, 47928, 54880, 55916, 59910, 63904, 69895, 79880, 82320, 83874, 95856, 97853, 111832, 119820, 139790, 159760, 164640, 167748, 191712, 195706, 209685, 223664, 239640, 279580, 293559, 319520, 335496, 391412, 419370, 447328, 479280, 489265, 559160, 587118, 670992, 684971, 782824, 838740, 958560, 978530, 1118320, 1174236, 1341984, 1369942, 1467795, 1565648, 1677480, 1957060, 2054913, 2236640, 2348472, 2739884, 2935590, 3131296, 3354960, 3424855, 3914120, 4109826, 4696944, 5479768, 5871180, 6709920, 6849710, 7828240, 8219652, 9393888, 10274565, 10959536, 11742360, 13699420, 15656480, 16439304, 20549130, 21919072, 23484720, 27398840, 32878608, 41098260, 46969440, 54797680, 65757216, 82196520, 109595360, 164393040, 328786080]

約数ペア:

[(1, 328786080), (2, 164393040), (3, 109595360), (4, 82196520), (5, 65757216), (6, 54797680), (7, 46969440), (8, 41098260), (10, 32878608), (12, 27398840), (14, 23484720), (15, 21919072), (16, 20549130), (20, 16439304), (21, 15656480), (24, 13699420), (28, 11742360), (30, 10959536), (32, 10274565), (35, 9393888), (40, 8219652), (42, 7828240), (48, 6849710), (49, 6709920), (56, 5871180), (60, 5479768), (70, 4696944), (80, 4109826), (84, 3914120), (96, 3424855), (98, 3354960), (105, 3131296), (112, 2935590), (120, 2739884), (140, 2348472), (147, 2236640), (160, 2054913), (168, 1957060), (196, 1677480), (210, 1565648), (224, 1467795), (240, 1369942), (245, 1341984), (280, 1174236), (294, 1118320), (336, 978530), (343, 958560), (392, 838740), (420, 782824), (480, 684971), (490, 670992), (560, 587118), (588, 559160), (672, 489265), (686, 479280), (735, 447328), (784, 419370), (840, 391412), (980, 335496), (1029, 319520), (1120, 293559), (1176, 279580), (1372, 239640), (1470, 223664), (1568, 209685), (1680, 195706), (1715, 191712), (1960, 167748), (1997, 164640), (2058, 159760), (2352, 139790), (2744, 119820), (2940, 111832), (3360, 97853), (3430, 95856), (3920, 83874), (3994, 82320), (4116, 79880), (4704, 69895), (5145, 63904), (5488, 59910), (5880, 55916), (5991, 54880), (6860, 47928), (7840, 41937), (7988, 41160), (8232, 39940), (9985, 32928), (10290, 31952), (10976, 29955), (11760, 27958), (11982, 27440), (13720, 23964), (13979, 23520), (15976, 20580), (16464, 19970)]