77754760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 181725120

約数和(自身を除く): 103970360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 107, 148, 185, 214, 296, 370, 428, 491, 535, 740, 856, 982, 1070, 1480, 1964, 2140, 2455, 3928, 3959, 4280, 4910, 7918, 9820, 15836, 18167, 19640, 19795, 31672, 36334, 39590, 52537, 72668, 79180, 90835, 105074, 145336, 158360, 181670, 210148, 262685, 363340, 420296, 525370, 726680, 1050740, 1943869, 2101480, 3887738, 7775476, 9719345, 15550952, 19438690, 38877380, 77754760]

約数ペア:

[(1, 77754760), (2, 38877380), (4, 19438690), (5, 15550952), (8, 9719345), (10, 7775476), (20, 3887738), (37, 2101480), (40, 1943869), (74, 1050740), (107, 726680), (148, 525370), (185, 420296), (214, 363340), (296, 262685), (370, 210148), (428, 181670), (491, 158360), (535, 145336), (740, 105074), (856, 90835), (982, 79180), (1070, 72668), (1480, 52537), (1964, 39590), (2140, 36334), (2455, 31672), (3928, 19795), (3959, 19640), (4280, 18167), (4910, 15836), (7918, 9820)]