42907480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13931}}^1$

素因数の和:13960

約数の個数: 64

約数和(自身を含む): 120372480

約数和(自身を除く): 77465000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 13931, 27862, 55724, 69655, 97517, 111448, 139310, 153241, 195034, 278620, 306482, 390068, 487585, 557240, 612964, 766205, 780136, 975170, 1072687, 1225928, 1532410, 1950340, 2145374, 3064820, 3900680, 4290748, 5363435, 6129640, 8581496, 10726870, 21453740, 42907480]

約数ペア:

[(1, 42907480), (2, 21453740), (4, 10726870), (5, 8581496), (7, 6129640), (8, 5363435), (10, 4290748), (11, 3900680), (14, 3064820), (20, 2145374), (22, 1950340), (28, 1532410), (35, 1225928), (40, 1072687), (44, 975170), (55, 780136), (56, 766205), (70, 612964), (77, 557240), (88, 487585), (110, 390068), (140, 306482), (154, 278620), (220, 195034), (280, 153241), (308, 139310), (385, 111448), (440, 97517), (616, 69655), (770, 55724), (1540, 27862), (3080, 13931)]