281238120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{781217}}^1$

素因数の和:781234

約数の個数: 48

約数和(自身を含む): 914025060

約数和(自身を除く): 632786940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 781217, 1562434, 2343651, 3124868, 3906085, 4687302, 6249736, 7030953, 7812170, 9374604, 11718255, 14061906, 15624340, 18749208, 23436510, 28123812, 31248680, 35154765, 46873020, 56247624, 70309530, 93746040, 140619060, 281238120]

約数ペア:

[(1, 281238120), (2, 140619060), (3, 93746040), (4, 70309530), (5, 56247624), (6, 46873020), (8, 35154765), (9, 31248680), (10, 28123812), (12, 23436510), (15, 18749208), (18, 15624340), (20, 14061906), (24, 11718255), (30, 9374604), (36, 7812170), (40, 7030953), (45, 6249736), (60, 4687302), (72, 3906085), (90, 3124868), (120, 2343651), (180, 1562434), (360, 781217)]