81949680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113819}}^1$

素因数の和:113838

約数の個数: 60

約数和(自身を含む): 275216760

約数和(自身を除く): 193267080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113819, 227638, 341457, 455276, 569095, 682914, 910552, 1024371, 1138190, 1365828, 1707285, 1821104, 2048742, 2276380, 2731656, 3414570, 4097484, 4552760, 5121855, 5463312, 6829140, 8194968, 9105520, 10243710, 13658280, 16389936, 20487420, 27316560, 40974840, 81949680]

約数ペア:

[(1, 81949680), (2, 40974840), (3, 27316560), (4, 20487420), (5, 16389936), (6, 13658280), (8, 10243710), (9, 9105520), (10, 8194968), (12, 6829140), (15, 5463312), (16, 5121855), (18, 4552760), (20, 4097484), (24, 3414570), (30, 2731656), (36, 2276380), (40, 2048742), (45, 1821104), (48, 1707285), (60, 1365828), (72, 1138190), (80, 1024371), (90, 910552), (120, 682914), (144, 569095), (180, 455276), (240, 341457), (360, 227638), (720, 113819)]