17993080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 28662920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 359, 716, 718, 895, 1253, 1432, 1436, 1790, 1795, 2506, 2513, 2872, 3580, 3590, 5012, 5026, 6265, 7160, 7180, 10024, 10052, 12530, 12565, 14360, 20104, 25060, 25130, 50120, 50260, 64261, 100520, 128522, 257044, 321305, 449827, 514088, 642610, 899654, 1285220, 1799308, 2249135, 2570440, 3598616, 4498270, 8996540, 17993080]

約数ペア:

[(1, 17993080), (2, 8996540), (4, 4498270), (5, 3598616), (7, 2570440), (8, 2249135), (10, 1799308), (14, 1285220), (20, 899654), (28, 642610), (35, 514088), (40, 449827), (56, 321305), (70, 257044), (140, 128522), (179, 100520), (280, 64261), (358, 50260), (359, 50120), (716, 25130), (718, 25060), (895, 20104), (1253, 14360), (1432, 12565), (1436, 12530), (1790, 10052), (1795, 10024), (2506, 7180), (2513, 7160), (2872, 6265), (3580, 5026), (3590, 5012)]