127668320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61379}}^1$

素因数の和:61407

約数の個数: 48

約数和(自身を含む): 324822960

約数和(自身を除く): 197154640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 61379, 122758, 245516, 306895, 491032, 613790, 797927, 982064, 1227580, 1595854, 1964128, 2455160, 3191708, 3989635, 4910320, 6383416, 7979270, 9820640, 12766832, 15958540, 25533664, 31917080, 63834160, 127668320]

約数ペア:

[(1, 127668320), (2, 63834160), (4, 31917080), (5, 25533664), (8, 15958540), (10, 12766832), (13, 9820640), (16, 7979270), (20, 6383416), (26, 4910320), (32, 3989635), (40, 3191708), (52, 2455160), (65, 1964128), (80, 1595854), (104, 1227580), (130, 982064), (160, 797927), (208, 613790), (260, 491032), (416, 306895), (520, 245516), (1040, 122758), (2080, 61379)]