123893880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2069

約数の個数: 128

約数和(自身を含む): 414305280

約数和(自身を除く): 290411400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 470, 517, 564, 660, 705, 940, 1034, 1128, 1320, 1410, 1551, 1880, 1997, 2068, 2585, 2820, 3102, 3994, 4136, 5170, 5640, 5991, 6204, 7755, 7988, 9985, 10340, 11982, 12408, 15510, 15976, 19970, 20680, 21967, 23964, 29955, 31020, 39940, 43934, 47928, 59910, 62040, 65901, 79880, 87868, 93859, 109835, 119820, 131802, 175736, 187718, 219670, 239640, 263604, 281577, 329505, 375436, 439340, 469295, 527208, 563154, 659010, 750872, 878680, 938590, 1032449, 1126308, 1318020, 1407885, 1877180, 2064898, 2252616, 2636040, 2815770, 3097347, 3754360, 4129796, 5162245, 5631540, 6194694, 8259592, 10324490, 11263080, 12389388, 15486735, 20648980, 24778776, 30973470, 41297960, 61946940, 123893880]

約数ペア:

[(1, 123893880), (2, 61946940), (3, 41297960), (4, 30973470), (5, 24778776), (6, 20648980), (8, 15486735), (10, 12389388), (11, 11263080), (12, 10324490), (15, 8259592), (20, 6194694), (22, 5631540), (24, 5162245), (30, 4129796), (33, 3754360), (40, 3097347), (44, 2815770), (47, 2636040), (55, 2252616), (60, 2064898), (66, 1877180), (88, 1407885), (94, 1318020), (110, 1126308), (120, 1032449), (132, 938590), (141, 878680), (165, 750872), (188, 659010), (220, 563154), (235, 527208), (264, 469295), (282, 439340), (330, 375436), (376, 329505), (440, 281577), (470, 263604), (517, 239640), (564, 219670), (660, 187718), (705, 175736), (940, 131802), (1034, 119820), (1128, 109835), (1320, 93859), (1410, 87868), (1551, 79880), (1880, 65901), (1997, 62040), (2068, 59910), (2585, 47928), (2820, 43934), (3102, 39940), (3994, 31020), (4136, 29955), (5170, 23964), (5640, 21967), (5991, 20680), (6204, 19970), (7755, 15976), (7988, 15510), (9985, 12408), (10340, 11982)]