9801680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1$

素因数の和:804

約数の個数: 80

約数和(自身を含む): 27212544

約数和(自身を除く): 17410864

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, 161, 184, 230, 280, 322, 368, 460, 560, 644, 761, 805, 920, 1288, 1522, 1610, 1840, 2576, 3044, 3220, 3805, 5327, 6088, 6440, 7610, 10654, 12176, 12880, 15220, 17503, 21308, 26635, 30440, 35006, 42616, 53270, 60880, 70012, 85232, 87515, 106540, 122521, 140024, 175030, 213080, 245042, 280048, 350060, 426160, 490084, 612605, 700120, 980168, 1225210, 1400240, 1960336, 2450420, 4900840, 9801680]

約数ペア:

[(1, 9801680), (2, 4900840), (4, 2450420), (5, 1960336), (7, 1400240), (8, 1225210), (10, 980168), (14, 700120), (16, 612605), (20, 490084), (23, 426160), (28, 350060), (35, 280048), (40, 245042), (46, 213080), (56, 175030), (70, 140024), (80, 122521), (92, 106540), (112, 87515), (115, 85232), (140, 70012), (161, 60880), (184, 53270), (230, 42616), (280, 35006), (322, 30440), (368, 26635), (460, 21308), (560, 17503), (644, 15220), (761, 12880), (805, 12176), (920, 10654), (1288, 7610), (1522, 6440), (1610, 6088), (1840, 5327), (2576, 3805), (3044, 3220)]