18622240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1314

約数の個数: 96

約数和(自身を含む): 54190080

約数和(自身を除く): 35567840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1279, 1456, 1820, 2080, 2558, 2912, 3640, 5116, 6395, 7280, 8953, 10232, 12790, 14560, 16627, 17906, 20464, 25580, 33254, 35812, 40928, 44765, 51160, 66508, 71624, 83135, 89530, 102320, 116389, 133016, 143248, 166270, 179060, 204640, 232778, 266032, 286496, 332540, 358120, 465556, 532064, 581945, 665080, 716240, 931112, 1163890, 1330160, 1432480, 1862224, 2327780, 2660320, 3724448, 4655560, 9311120, 18622240]

約数ペア:

[(1, 18622240), (2, 9311120), (4, 4655560), (5, 3724448), (7, 2660320), (8, 2327780), (10, 1862224), (13, 1432480), (14, 1330160), (16, 1163890), (20, 931112), (26, 716240), (28, 665080), (32, 581945), (35, 532064), (40, 465556), (52, 358120), (56, 332540), (65, 286496), (70, 266032), (80, 232778), (91, 204640), (104, 179060), (112, 166270), (130, 143248), (140, 133016), (160, 116389), (182, 102320), (208, 89530), (224, 83135), (260, 71624), (280, 66508), (364, 51160), (416, 44765), (455, 40928), (520, 35812), (560, 33254), (728, 25580), (910, 20464), (1040, 17906), (1120, 16627), (1279, 14560), (1456, 12790), (1820, 10232), (2080, 8953), (2558, 7280), (2912, 6395), (3640, 5116)]