181470320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:870

約数の個数: 80

約数和(自身を含む): 438400512

約数和(自身を除く): 256930192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 71, 80, 86, 142, 172, 215, 284, 344, 355, 430, 568, 688, 710, 743, 860, 1136, 1420, 1486, 1720, 2840, 2972, 3053, 3440, 3715, 5680, 5944, 6106, 7430, 11888, 12212, 14860, 15265, 24424, 29720, 30530, 31949, 48848, 52753, 59440, 61060, 63898, 105506, 122120, 127796, 159745, 211012, 244240, 255592, 263765, 319490, 422024, 511184, 527530, 638980, 844048, 1055060, 1277960, 2110120, 2268379, 2555920, 4220240, 4536758, 9073516, 11341895, 18147032, 22683790, 36294064, 45367580, 90735160, 181470320]

約数ペア:

[(1, 181470320), (2, 90735160), (4, 45367580), (5, 36294064), (8, 22683790), (10, 18147032), (16, 11341895), (20, 9073516), (40, 4536758), (43, 4220240), (71, 2555920), (80, 2268379), (86, 2110120), (142, 1277960), (172, 1055060), (215, 844048), (284, 638980), (344, 527530), (355, 511184), (430, 422024), (568, 319490), (688, 263765), (710, 255592), (743, 244240), (860, 211012), (1136, 159745), (1420, 127796), (1486, 122120), (1720, 105506), (2840, 63898), (2972, 61060), (3053, 59440), (3440, 52753), (3715, 48848), (5680, 31949), (5944, 30530), (6106, 29720), (7430, 24424), (11888, 15265), (12212, 14860)]