72781680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{303257}}^1$

素因数の和:303273

約数の個数: 40

約数和(自身を含む): 225623952

約数和(自身を除く): 152842272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 303257, 606514, 909771, 1213028, 1516285, 1819542, 2426056, 3032570, 3639084, 4548855, 4852112, 6065140, 7278168, 9097710, 12130280, 14556336, 18195420, 24260560, 36390840, 72781680]

約数ペア:

[(1, 72781680), (2, 36390840), (3, 24260560), (4, 18195420), (5, 14556336), (6, 12130280), (8, 9097710), (10, 7278168), (12, 6065140), (15, 4852112), (16, 4548855), (20, 3639084), (24, 3032570), (30, 2426056), (40, 1819542), (48, 1516285), (60, 1213028), (80, 909771), (120, 606514), (240, 303257)]