15483440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:706

約数の個数: 80

約数和(自身を含む): 42163968

約数和(自身を除く): 26680528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 643, 688, 860, 1204, 1286, 1505, 1720, 2408, 2572, 3010, 3215, 3440, 4501, 4816, 5144, 6020, 6430, 9002, 10288, 12040, 12860, 18004, 22505, 24080, 25720, 27649, 36008, 45010, 51440, 55298, 72016, 90020, 110596, 138245, 180040, 193543, 221192, 276490, 360080, 387086, 442384, 552980, 774172, 967715, 1105960, 1548344, 1935430, 2211920, 3096688, 3870860, 7741720, 15483440]

約数ペア:

[(1, 15483440), (2, 7741720), (4, 3870860), (5, 3096688), (7, 2211920), (8, 1935430), (10, 1548344), (14, 1105960), (16, 967715), (20, 774172), (28, 552980), (35, 442384), (40, 387086), (43, 360080), (56, 276490), (70, 221192), (80, 193543), (86, 180040), (112, 138245), (140, 110596), (172, 90020), (215, 72016), (280, 55298), (301, 51440), (344, 45010), (430, 36008), (560, 27649), (602, 25720), (643, 24080), (688, 22505), (860, 18004), (1204, 12860), (1286, 12040), (1505, 10288), (1720, 9002), (2408, 6430), (2572, 6020), (3010, 5144), (3215, 4816), (3440, 4501)]