21883120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1699}}^1$

素因数の和:1742

約数の個数: 80

約数和(自身を含む): 60710400

約数和(自身を除く): 38827280

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, 805, 920, 1288, 1610, 1699, 1840, 2576, 3220, 3398, 6440, 6796, 8495, 11893, 12880, 13592, 16990, 23786, 27184, 33980, 39077, 47572, 59465, 67960, 78154, 95144, 118930, 135920, 156308, 190288, 195385, 237860, 273539, 312616, 390770, 475720, 547078, 625232, 781540, 951440, 1094156, 1367695, 1563080, 2188312, 2735390, 3126160, 4376624, 5470780, 10941560, 21883120]

約数ペア:

[(1, 21883120), (2, 10941560), (4, 5470780), (5, 4376624), (7, 3126160), (8, 2735390), (10, 2188312), (14, 1563080), (16, 1367695), (20, 1094156), (23, 951440), (28, 781540), (35, 625232), (40, 547078), (46, 475720), (56, 390770), (70, 312616), (80, 273539), (92, 237860), (112, 195385), (115, 190288), (140, 156308), (161, 135920), (184, 118930), (230, 95144), (280, 78154), (322, 67960), (368, 59465), (460, 47572), (560, 39077), (644, 33980), (805, 27184), (920, 23786), (1288, 16990), (1610, 13592), (1699, 12880), (1840, 11893), (2576, 8495), (3220, 6796), (3398, 6440)]