12720480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{26501}}^1$

素因数の和:26519

約数の個数: 48

約数和(自身を含む): 40071024

約数和(自身を除く): 27350544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 26501, 53002, 79503, 106004, 132505, 159006, 212008, 265010, 318012, 397515, 424016, 530020, 636024, 795030, 848032, 1060040, 1272048, 1590060, 2120080, 2544096, 3180120, 4240160, 6360240, 12720480]

約数ペア:

[(1, 12720480), (2, 6360240), (3, 4240160), (4, 3180120), (5, 2544096), (6, 2120080), (8, 1590060), (10, 1272048), (12, 1060040), (15, 848032), (16, 795030), (20, 636024), (24, 530020), (30, 424016), (32, 397515), (40, 318012), (48, 265010), (60, 212008), (80, 159006), (96, 132505), (120, 106004), (160, 79503), (240, 53002), (480, 26501)]