164393040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{1997}}^1$

素因数の和:2034

約数の個数: 160

約数和(自身を含む): 594604800

約数和(自身を除く): 430211760

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, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1960, 1997, 2058, 2352, 2744, 2940, 3430, 3920, 3994, 4116, 5145, 5488, 5880, 5991, 6860, 7988, 8232, 9985, 10290, 11760, 11982, 13720, 13979, 15976, 16464, 19970, 20580, 23964, 27440, 27958, 29955, 31952, 39940, 41160, 41937, 47928, 55916, 59910, 69895, 79880, 82320, 83874, 95856, 97853, 111832, 119820, 139790, 159760, 167748, 195706, 209685, 223664, 239640, 279580, 293559, 335496, 391412, 419370, 479280, 489265, 559160, 587118, 670992, 684971, 782824, 838740, 978530, 1118320, 1174236, 1369942, 1467795, 1565648, 1677480, 1957060, 2054913, 2348472, 2739884, 2935590, 3354960, 3424855, 3914120, 4109826, 4696944, 5479768, 5871180, 6849710, 7828240, 8219652, 10274565, 10959536, 11742360, 13699420, 16439304, 20549130, 23484720, 27398840, 32878608, 41098260, 54797680, 82196520, 164393040]

約数ペア:

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