78878040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28579}}^1$

素因数の和:28616

約数の個数: 64

約数和(自身を含む): 246931200

約数和(自身を除く): 168053160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 28579, 57158, 85737, 114316, 142895, 171474, 228632, 285790, 342948, 428685, 571580, 657317, 685896, 857370, 1143160, 1314634, 1714740, 1971951, 2629268, 3286585, 3429480, 3943902, 5258536, 6573170, 7887804, 9859755, 13146340, 15775608, 19719510, 26292680, 39439020, 78878040]

約数ペア:

[(1, 78878040), (2, 39439020), (3, 26292680), (4, 19719510), (5, 15775608), (6, 13146340), (8, 9859755), (10, 7887804), (12, 6573170), (15, 5258536), (20, 3943902), (23, 3429480), (24, 3286585), (30, 2629268), (40, 1971951), (46, 1714740), (60, 1314634), (69, 1143160), (92, 857370), (115, 685896), (120, 657317), (138, 571580), (184, 428685), (230, 342948), (276, 285790), (345, 228632), (460, 171474), (552, 142895), (690, 114316), (920, 85737), (1380, 57158), (2760, 28579)]