127751960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15733}}^1$

素因数の和:15780

約数の個数: 64

約数和(自身を含む): 339854400

約数和(自身を除く): 212102440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 15733, 31466, 62932, 78665, 110131, 125864, 157330, 220262, 314660, 440524, 456257, 550655, 629320, 881048, 912514, 1101310, 1825028, 2202620, 2281285, 3193799, 3650056, 4405240, 4562570, 6387598, 9125140, 12775196, 15968995, 18250280, 25550392, 31937990, 63875980, 127751960]

約数ペア:

[(1, 127751960), (2, 63875980), (4, 31937990), (5, 25550392), (7, 18250280), (8, 15968995), (10, 12775196), (14, 9125140), (20, 6387598), (28, 4562570), (29, 4405240), (35, 3650056), (40, 3193799), (56, 2281285), (58, 2202620), (70, 1825028), (116, 1101310), (140, 912514), (145, 881048), (203, 629320), (232, 550655), (280, 456257), (290, 440524), (406, 314660), (580, 220262), (812, 157330), (1015, 125864), (1160, 110131), (1624, 78665), (2030, 62932), (4060, 31466), (8120, 15733)]