147820480

素因数分解:

$2^6\times 5^1\times {\mathrm{571}}^1\times {\mathrm{809}}^1$

素因数の和:1397

約数の個数: 56

約数和(自身を含む): 353049840

約数和(自身を除く): 205229360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 571, 809, 1142, 1618, 2284, 2855, 3236, 4045, 4568, 5710, 6472, 8090, 9136, 11420, 12944, 16180, 18272, 22840, 25888, 32360, 36544, 45680, 51776, 64720, 91360, 129440, 182720, 258880, 461939, 923878, 1847756, 2309695, 3695512, 4619390, 7391024, 9238780, 14782048, 18477560, 29564096, 36955120, 73910240, 147820480]

約数ペア:

[(1, 147820480), (2, 73910240), (4, 36955120), (5, 29564096), (8, 18477560), (10, 14782048), (16, 9238780), (20, 7391024), (32, 4619390), (40, 3695512), (64, 2309695), (80, 1847756), (160, 923878), (320, 461939), (571, 258880), (809, 182720), (1142, 129440), (1618, 91360), (2284, 64720), (2855, 51776), (3236, 45680), (4045, 36544), (4568, 32360), (5710, 25888), (6472, 22840), (8090, 18272), (9136, 16180), (11420, 12944)]