12660720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:830

約数の個数: 80

約数和(自身を含む): 39854592

約数和(自身を除く): 27193872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 743, 852, 1065, 1136, 1420, 1486, 1704, 2130, 2229, 2840, 2972, 3408, 3715, 4260, 4458, 5680, 5944, 7430, 8520, 8916, 11145, 11888, 14860, 17040, 17832, 22290, 29720, 35664, 44580, 52753, 59440, 89160, 105506, 158259, 178320, 211012, 263765, 316518, 422024, 527530, 633036, 791295, 844048, 1055060, 1266072, 1582590, 2110120, 2532144, 3165180, 4220240, 6330360, 12660720]

約数ペア:

[(1, 12660720), (2, 6330360), (3, 4220240), (4, 3165180), (5, 2532144), (6, 2110120), (8, 1582590), (10, 1266072), (12, 1055060), (15, 844048), (16, 791295), (20, 633036), (24, 527530), (30, 422024), (40, 316518), (48, 263765), (60, 211012), (71, 178320), (80, 158259), (120, 105506), (142, 89160), (213, 59440), (240, 52753), (284, 44580), (355, 35664), (426, 29720), (568, 22290), (710, 17832), (743, 17040), (852, 14860), (1065, 11888), (1136, 11145), (1420, 8916), (1486, 8520), (1704, 7430), (2130, 5944), (2229, 5680), (2840, 4458), (2972, 4260), (3408, 3715)]