1520253780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{684799}}^1$

素因数の和:684848

約数の個数: 48

約数和(自身を含む): 4371763200

約数和(自身を除く): 2851509420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 684799, 1369598, 2054397, 2739196, 3423995, 4108794, 6847990, 8217588, 10271985, 13695980, 20543970, 25337563, 41087940, 50675126, 76012689, 101350252, 126687815, 152025378, 253375630, 304050756, 380063445, 506751260, 760126890, 1520253780]

約数ペア:

[(1, 1520253780), (2, 760126890), (3, 506751260), (4, 380063445), (5, 304050756), (6, 253375630), (10, 152025378), (12, 126687815), (15, 101350252), (20, 76012689), (30, 50675126), (37, 41087940), (60, 25337563), (74, 20543970), (111, 13695980), (148, 10271985), (185, 8217588), (222, 6847990), (370, 4108794), (444, 3423995), (555, 2739196), (740, 2054397), (1110, 1369598), (2220, 684799)]