399240240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2044

約数の個数: 240

約数和(自身を含む): 1525161312

約数和(自身を除く): 1125921072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 49, 51, 56, 60, 68, 70, 80, 84, 85, 98, 102, 105, 112, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 240, 245, 255, 272, 280, 294, 336, 340, 357, 392, 408, 420, 476, 490, 510, 560, 588, 595, 680, 714, 735, 784, 816, 833, 840, 952, 980, 1020, 1176, 1190, 1360, 1428, 1470, 1666, 1680, 1785, 1904, 1960, 1997, 2040, 2352, 2380, 2499, 2856, 2940, 3332, 3570, 3920, 3994, 4080, 4165, 4760, 4998, 5712, 5880, 5991, 6664, 7140, 7988, 8330, 9520, 9985, 9996, 11760, 11982, 12495, 13328, 13979, 14280, 15976, 16660, 19970, 19992, 23964, 24990, 27958, 28560, 29955, 31952, 33320, 33949, 39940, 39984, 41937, 47928, 49980, 55916, 59910, 66640, 67898, 69895, 79880, 83874, 95856, 97853, 99960, 101847, 111832, 119820, 135796, 139790, 159760, 167748, 169745, 195706, 199920, 203694, 209685, 223664, 237643, 239640, 271592, 279580, 293559, 335496, 339490, 391412, 407388, 419370, 475286, 479280, 489265, 509235, 543184, 559160, 587118, 670992, 678980, 712929, 782824, 814776, 838740, 950572, 978530, 1018470, 1118320, 1174236, 1188215, 1357960, 1425858, 1467795, 1565648, 1629552, 1663501, 1677480, 1901144, 1957060, 2036940, 2348472, 2376430, 2715920, 2851716, 2935590, 3327002, 3354960, 3564645, 3802288, 3914120, 4073880, 4696944, 4752860, 4990503, 5703432, 5871180, 6654004, 7129290, 7828240, 8147760, 8317505, 9505720, 9981006, 11406864, 11742360, 13308008, 14258580, 16635010, 19011440, 19962012, 23484720, 24952515, 26616016, 28517160, 33270020, 39924024, 49905030, 57034320, 66540040, 79848048, 99810060, 133080080, 199620120, 399240240]

約数ペア:

[(1, 399240240), (2, 199620120), (3, 133080080), (4, 99810060), (5, 79848048), (6, 66540040), (7, 57034320), (8, 49905030), (10, 39924024), (12, 33270020), (14, 28517160), (15, 26616016), (16, 24952515), (17, 23484720), (20, 19962012), (21, 19011440), (24, 16635010), (28, 14258580), (30, 13308008), (34, 11742360), (35, 11406864), (40, 9981006), (42, 9505720), (48, 8317505), (49, 8147760), (51, 7828240), (56, 7129290), (60, 6654004), (68, 5871180), (70, 5703432), (80, 4990503), (84, 4752860), (85, 4696944), (98, 4073880), (102, 3914120), (105, 3802288), (112, 3564645), (119, 3354960), (120, 3327002), (136, 2935590), (140, 2851716), (147, 2715920), (168, 2376430), (170, 2348472), (196, 2036940), (204, 1957060), (210, 1901144), (238, 1677480), (240, 1663501), (245, 1629552), (255, 1565648), (272, 1467795), (280, 1425858), (294, 1357960), (336, 1188215), (340, 1174236), (357, 1118320), (392, 1018470), (408, 978530), (420, 950572), (476, 838740), (490, 814776), (510, 782824), (560, 712929), (588, 678980), (595, 670992), (680, 587118), (714, 559160), (735, 543184), (784, 509235), (816, 489265), (833, 479280), (840, 475286), (952, 419370), (980, 407388), (1020, 391412), (1176, 339490), (1190, 335496), (1360, 293559), (1428, 279580), (1470, 271592), (1666, 239640), (1680, 237643), (1785, 223664), (1904, 209685), (1960, 203694), (1997, 199920), (2040, 195706), (2352, 169745), (2380, 167748), (2499, 159760), (2856, 139790), (2940, 135796), (3332, 119820), (3570, 111832), (3920, 101847), (3994, 99960), (4080, 97853), (4165, 95856), (4760, 83874), (4998, 79880), (5712, 69895), (5880, 67898), (5991, 66640), (6664, 59910), (7140, 55916), (7988, 49980), (8330, 47928), (9520, 41937), (9985, 39984), (9996, 39940), (11760, 33949), (11982, 33320), (12495, 31952), (13328, 29955), (13979, 28560), (14280, 27958), (15976, 24990), (16660, 23964), (19970, 19992)]