151780720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20849}}^1$

素因数の和:20882

約数の個数: 80

約数和(自身を含む): 434347200

約数和(自身を除く): 282566480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 20849, 41698, 83396, 104245, 145943, 166792, 208490, 271037, 291886, 333584, 416980, 542074, 583772, 729715, 833960, 1084148, 1167544, 1355185, 1459430, 1667920, 1897259, 2168296, 2335088, 2710370, 2918860, 3794518, 4336592, 5420740, 5837720, 7589036, 9486295, 10841480, 11675440, 15178072, 18972590, 21682960, 30356144, 37945180, 75890360, 151780720]

約数ペア:

[(1, 151780720), (2, 75890360), (4, 37945180), (5, 30356144), (7, 21682960), (8, 18972590), (10, 15178072), (13, 11675440), (14, 10841480), (16, 9486295), (20, 7589036), (26, 5837720), (28, 5420740), (35, 4336592), (40, 3794518), (52, 2918860), (56, 2710370), (65, 2335088), (70, 2168296), (80, 1897259), (91, 1667920), (104, 1459430), (112, 1355185), (130, 1167544), (140, 1084148), (182, 833960), (208, 729715), (260, 583772), (280, 542074), (364, 416980), (455, 333584), (520, 291886), (560, 271037), (728, 208490), (910, 166792), (1040, 145943), (1456, 104245), (1820, 83396), (3640, 41698), (7280, 20849)]