78940080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109639}}^1$

素因数の和:109658

約数の個数: 60

約数和(自身を含む): 265109520

約数和(自身を除く): 186169440

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, 109639, 219278, 328917, 438556, 548195, 657834, 877112, 986751, 1096390, 1315668, 1644585, 1754224, 1973502, 2192780, 2631336, 3289170, 3947004, 4385560, 4933755, 5262672, 6578340, 7894008, 8771120, 9867510, 13156680, 15788016, 19735020, 26313360, 39470040, 78940080]

約数ペア:

[(1, 78940080), (2, 39470040), (3, 26313360), (4, 19735020), (5, 15788016), (6, 13156680), (8, 9867510), (9, 8771120), (10, 7894008), (12, 6578340), (15, 5262672), (16, 4933755), (18, 4385560), (20, 3947004), (24, 3289170), (30, 2631336), (36, 2192780), (40, 1973502), (45, 1754224), (48, 1644585), (60, 1315668), (72, 1096390), (80, 986751), (90, 877112), (120, 657834), (144, 548195), (180, 438556), (240, 328917), (360, 219278), (720, 109639)]