258331920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 240

約数和(自身を含む): 1016774208

約数和(自身を除く): 758442288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 98, 105, 110, 112, 120, 132, 140, 147, 154, 165, 168, 176, 196, 210, 220, 231, 240, 245, 264, 280, 294, 308, 330, 336, 385, 392, 420, 440, 462, 490, 528, 539, 560, 588, 616, 660, 735, 770, 784, 840, 880, 924, 980, 1078, 1155, 1176, 1232, 1320, 1470, 1540, 1617, 1680, 1848, 1960, 1997, 2156, 2310, 2352, 2640, 2695, 2940, 3080, 3234, 3696, 3920, 3994, 4312, 4620, 5390, 5880, 5991, 6160, 6468, 7988, 8085, 8624, 9240, 9985, 10780, 11760, 11982, 12936, 13979, 15976, 16170, 18480, 19970, 21560, 21967, 23964, 25872, 27958, 29955, 31952, 32340, 39940, 41937, 43120, 43934, 47928, 55916, 59910, 64680, 65901, 69895, 79880, 83874, 87868, 95856, 97853, 109835, 111832, 119820, 129360, 131802, 139790, 153769, 159760, 167748, 175736, 195706, 209685, 219670, 223664, 239640, 263604, 279580, 293559, 307538, 329505, 335496, 351472, 391412, 419370, 439340, 461307, 479280, 489265, 527208, 559160, 587118, 615076, 659010, 670992, 768845, 782824, 838740, 878680, 922614, 978530, 1054416, 1076383, 1118320, 1174236, 1230152, 1318020, 1467795, 1537690, 1565648, 1677480, 1757360, 1845228, 1957060, 2152766, 2306535, 2348472, 2460304, 2636040, 2935590, 3075380, 3229149, 3354960, 3690456, 3914120, 4305532, 4613070, 4696944, 5272080, 5381915, 5871180, 6150760, 6458298, 7380912, 7828240, 8611064, 9226140, 10763830, 11742360, 12301520, 12916596, 16145745, 17222128, 18452280, 21527660, 23484720, 25833192, 32291490, 36904560, 43055320, 51666384, 64582980, 86110640, 129165960, 258331920]

約数ペア:

[(1, 258331920), (2, 129165960), (3, 86110640), (4, 64582980), (5, 51666384), (6, 43055320), (7, 36904560), (8, 32291490), (10, 25833192), (11, 23484720), (12, 21527660), (14, 18452280), (15, 17222128), (16, 16145745), (20, 12916596), (21, 12301520), (22, 11742360), (24, 10763830), (28, 9226140), (30, 8611064), (33, 7828240), (35, 7380912), (40, 6458298), (42, 6150760), (44, 5871180), (48, 5381915), (49, 5272080), (55, 4696944), (56, 4613070), (60, 4305532), (66, 3914120), (70, 3690456), (77, 3354960), (80, 3229149), (84, 3075380), (88, 2935590), (98, 2636040), (105, 2460304), (110, 2348472), (112, 2306535), (120, 2152766), (132, 1957060), (140, 1845228), (147, 1757360), (154, 1677480), (165, 1565648), (168, 1537690), (176, 1467795), (196, 1318020), (210, 1230152), (220, 1174236), (231, 1118320), (240, 1076383), (245, 1054416), (264, 978530), (280, 922614), (294, 878680), (308, 838740), (330, 782824), (336, 768845), (385, 670992), (392, 659010), (420, 615076), (440, 587118), (462, 559160), (490, 527208), (528, 489265), (539, 479280), (560, 461307), (588, 439340), (616, 419370), (660, 391412), (735, 351472), (770, 335496), (784, 329505), (840, 307538), (880, 293559), (924, 279580), (980, 263604), (1078, 239640), (1155, 223664), (1176, 219670), (1232, 209685), (1320, 195706), (1470, 175736), (1540, 167748), (1617, 159760), (1680, 153769), (1848, 139790), (1960, 131802), (1997, 129360), (2156, 119820), (2310, 111832), (2352, 109835), (2640, 97853), (2695, 95856), (2940, 87868), (3080, 83874), (3234, 79880), (3696, 69895), (3920, 65901), (3994, 64680), (4312, 59910), (4620, 55916), (5390, 47928), (5880, 43934), (5991, 43120), (6160, 41937), (6468, 39940), (7988, 32340), (8085, 31952), (8624, 29955), (9240, 27958), (9985, 25872), (10780, 23964), (11760, 21967), (11982, 21560), (12936, 19970), (13979, 18480), (15976, 16170)]