1285251520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1307}}^1$

素因数の和:1770

約数の個数: 112

約数和(自身を含む): 3508369920

約数和(自身を除く): 2223118400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 439, 448, 560, 878, 1120, 1307, 1756, 2195, 2240, 2614, 3073, 3512, 4390, 5228, 6146, 6535, 7024, 8780, 9149, 10456, 12292, 13070, 14048, 15365, 17560, 18298, 20912, 24584, 26140, 28096, 30730, 35120, 36596, 41824, 45745, 49168, 52280, 61460, 70240, 73192, 83648, 91490, 98336, 104560, 122920, 140480, 146384, 182980, 196672, 209120, 245840, 292768, 365960, 418240, 491680, 573773, 585536, 731920, 983360, 1147546, 1463840, 2295092, 2868865, 2927680, 4016411, 4590184, 5737730, 8032822, 9180368, 11475460, 16065644, 18360736, 20082055, 22950920, 32131288, 36721472, 40164110, 45901840, 64262576, 80328220, 91803680, 128525152, 160656440, 183607360, 257050304, 321312880, 642625760, 1285251520]

約数ペア:

[(1, 1285251520), (2, 642625760), (4, 321312880), (5, 257050304), (7, 183607360), (8, 160656440), (10, 128525152), (14, 91803680), (16, 80328220), (20, 64262576), (28, 45901840), (32, 40164110), (35, 36721472), (40, 32131288), (56, 22950920), (64, 20082055), (70, 18360736), (80, 16065644), (112, 11475460), (140, 9180368), (160, 8032822), (224, 5737730), (280, 4590184), (320, 4016411), (439, 2927680), (448, 2868865), (560, 2295092), (878, 1463840), (1120, 1147546), (1307, 983360), (1756, 731920), (2195, 585536), (2240, 573773), (2614, 491680), (3073, 418240), (3512, 365960), (4390, 292768), (5228, 245840), (6146, 209120), (6535, 196672), (7024, 182980), (8780, 146384), (9149, 140480), (10456, 122920), (12292, 104560), (13070, 98336), (14048, 91490), (15365, 83648), (17560, 73192), (18298, 70240), (20912, 61460), (24584, 52280), (26140, 49168), (28096, 45745), (30730, 41824), (35120, 36596)]