64416720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{268403}}^1$

素因数の和:268419

約数の個数: 40

約数和(自身を含む): 199692576

約数和(自身を除く): 135275856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 268403, 536806, 805209, 1073612, 1342015, 1610418, 2147224, 2684030, 3220836, 4026045, 4294448, 5368060, 6441672, 8052090, 10736120, 12883344, 16104180, 21472240, 32208360, 64416720]

約数ペア:

[(1, 64416720), (2, 32208360), (3, 21472240), (4, 16104180), (5, 12883344), (6, 10736120), (8, 8052090), (10, 6441672), (12, 5368060), (15, 4294448), (16, 4026045), (20, 3220836), (24, 2684030), (30, 2147224), (40, 1610418), (48, 1342015), (60, 1073612), (80, 805209), (120, 536806), (240, 268403)]