128661240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1217}}^1$

素因数の和:2112

約数の個数: 64

約数和(自身を含む): 386739360

約数和(自身を除く): 258078120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 881, 1217, 1762, 2434, 2643, 3524, 3651, 4405, 4868, 5286, 6085, 7048, 7302, 8810, 9736, 10572, 12170, 13215, 14604, 17620, 18255, 21144, 24340, 26430, 29208, 35240, 36510, 48680, 52860, 73020, 105720, 146040, 1072177, 2144354, 3216531, 4288708, 5360885, 6433062, 8577416, 10721770, 12866124, 16082655, 21443540, 25732248, 32165310, 42887080, 64330620, 128661240]

約数ペア:

[(1, 128661240), (2, 64330620), (3, 42887080), (4, 32165310), (5, 25732248), (6, 21443540), (8, 16082655), (10, 12866124), (12, 10721770), (15, 8577416), (20, 6433062), (24, 5360885), (30, 4288708), (40, 3216531), (60, 2144354), (120, 1072177), (881, 146040), (1217, 105720), (1762, 73020), (2434, 52860), (2643, 48680), (3524, 36510), (3651, 35240), (4405, 29208), (4868, 26430), (5286, 24340), (6085, 21144), (7048, 18255), (7302, 17620), (8810, 14604), (9736, 13215), (10572, 12170)]