2180040

素因数分解:

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

素因数の和:542

約数の個数: 64

約数和(自身を含む): 6730560

約数和(自身を除く): 4550520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 491, 555, 740, 888, 982, 1110, 1473, 1480, 1964, 2220, 2455, 2946, 3928, 4440, 4910, 5892, 7365, 9820, 11784, 14730, 18167, 19640, 29460, 36334, 54501, 58920, 72668, 90835, 109002, 145336, 181670, 218004, 272505, 363340, 436008, 545010, 726680, 1090020, 2180040]

約数ペア:

[(1, 2180040), (2, 1090020), (3, 726680), (4, 545010), (5, 436008), (6, 363340), (8, 272505), (10, 218004), (12, 181670), (15, 145336), (20, 109002), (24, 90835), (30, 72668), (37, 58920), (40, 54501), (60, 36334), (74, 29460), (111, 19640), (120, 18167), (148, 14730), (185, 11784), (222, 9820), (296, 7365), (370, 5892), (444, 4910), (491, 4440), (555, 3928), (740, 2946), (888, 2455), (982, 2220), (1110, 1964), (1473, 1480)]