19908480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10369}}^1$

素因数の和:10391

約数の個数: 64

約数和(自身を含む): 63464400

約数和(自身を除く): 43555920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10369, 20738, 31107, 41476, 51845, 62214, 82952, 103690, 124428, 155535, 165904, 207380, 248856, 311070, 331808, 414760, 497712, 622140, 663616, 829520, 995424, 1244280, 1327232, 1659040, 1990848, 2488560, 3318080, 3981696, 4977120, 6636160, 9954240, 19908480]

約数ペア:

[(1, 19908480), (2, 9954240), (3, 6636160), (4, 4977120), (5, 3981696), (6, 3318080), (8, 2488560), (10, 1990848), (12, 1659040), (15, 1327232), (16, 1244280), (20, 995424), (24, 829520), (30, 663616), (32, 622140), (40, 497712), (48, 414760), (60, 331808), (64, 311070), (80, 248856), (96, 207380), (120, 165904), (128, 155535), (160, 124428), (192, 103690), (240, 82952), (320, 62214), (384, 51845), (480, 41476), (640, 31107), (960, 20738), (1920, 10369)]