2022160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 5642496

約数和(自身を除く): 3620336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 157, 161, 184, 230, 280, 314, 322, 368, 460, 560, 628, 644, 785, 805, 920, 1099, 1256, 1288, 1570, 1610, 1840, 2198, 2512, 2576, 3140, 3220, 3611, 4396, 5495, 6280, 6440, 7222, 8792, 10990, 12560, 12880, 14444, 17584, 18055, 21980, 25277, 28888, 36110, 43960, 50554, 57776, 72220, 87920, 101108, 126385, 144440, 202216, 252770, 288880, 404432, 505540, 1011080, 2022160]

約数ペア:

[(1, 2022160), (2, 1011080), (4, 505540), (5, 404432), (7, 288880), (8, 252770), (10, 202216), (14, 144440), (16, 126385), (20, 101108), (23, 87920), (28, 72220), (35, 57776), (40, 50554), (46, 43960), (56, 36110), (70, 28888), (80, 25277), (92, 21980), (112, 18055), (115, 17584), (140, 14444), (157, 12880), (161, 12560), (184, 10990), (230, 8792), (280, 7222), (314, 6440), (322, 6280), (368, 5495), (460, 4396), (560, 3611), (628, 3220), (644, 3140), (785, 2576), (805, 2512), (920, 2198), (1099, 1840), (1256, 1610), (1288, 1570)]