18452280

素因数分解:

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

素因数の和:2029

約数の個数: 128

約数和(自身を含む): 69050880

約数和(自身を除く): 50598600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 1997, 2310, 3080, 3994, 4620, 5991, 7988, 9240, 9985, 11982, 13979, 15976, 19970, 21967, 23964, 27958, 29955, 39940, 41937, 43934, 47928, 55916, 59910, 65901, 69895, 79880, 83874, 87868, 109835, 111832, 119820, 131802, 139790, 153769, 167748, 175736, 209685, 219670, 239640, 263604, 279580, 307538, 329505, 335496, 419370, 439340, 461307, 527208, 559160, 615076, 659010, 768845, 838740, 878680, 922614, 1230152, 1318020, 1537690, 1677480, 1845228, 2306535, 2636040, 3075380, 3690456, 4613070, 6150760, 9226140, 18452280]

約数ペア:

[(1, 18452280), (2, 9226140), (3, 6150760), (4, 4613070), (5, 3690456), (6, 3075380), (7, 2636040), (8, 2306535), (10, 1845228), (11, 1677480), (12, 1537690), (14, 1318020), (15, 1230152), (20, 922614), (21, 878680), (22, 838740), (24, 768845), (28, 659010), (30, 615076), (33, 559160), (35, 527208), (40, 461307), (42, 439340), (44, 419370), (55, 335496), (56, 329505), (60, 307538), (66, 279580), (70, 263604), (77, 239640), (84, 219670), (88, 209685), (105, 175736), (110, 167748), (120, 153769), (132, 139790), (140, 131802), (154, 119820), (165, 111832), (168, 109835), (210, 87868), (220, 83874), (231, 79880), (264, 69895), (280, 65901), (308, 59910), (330, 55916), (385, 47928), (420, 43934), (440, 41937), (462, 39940), (616, 29955), (660, 27958), (770, 23964), (840, 21967), (924, 19970), (1155, 15976), (1320, 13979), (1540, 11982), (1848, 9985), (1997, 9240), (2310, 7988), (3080, 5991), (3994, 4620)]