19857120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1068

約数の個数: 96

約数和(自身を含む): 64139040

約数和(自身を除く): 44281920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 240, 246, 328, 410, 480, 492, 615, 656, 820, 984, 1009, 1230, 1312, 1640, 1968, 2018, 2460, 3027, 3280, 3936, 4036, 4920, 5045, 6054, 6560, 8072, 9840, 10090, 12108, 15135, 16144, 19680, 20180, 24216, 30270, 32288, 40360, 41369, 48432, 60540, 80720, 82738, 96864, 121080, 124107, 161440, 165476, 206845, 242160, 248214, 330952, 413690, 484320, 496428, 620535, 661904, 827380, 992856, 1241070, 1323808, 1654760, 1985712, 2482140, 3309520, 3971424, 4964280, 6619040, 9928560, 19857120]

約数ペア:

[(1, 19857120), (2, 9928560), (3, 6619040), (4, 4964280), (5, 3971424), (6, 3309520), (8, 2482140), (10, 1985712), (12, 1654760), (15, 1323808), (16, 1241070), (20, 992856), (24, 827380), (30, 661904), (32, 620535), (40, 496428), (41, 484320), (48, 413690), (60, 330952), (80, 248214), (82, 242160), (96, 206845), (120, 165476), (123, 161440), (160, 124107), (164, 121080), (205, 96864), (240, 82738), (246, 80720), (328, 60540), (410, 48432), (480, 41369), (492, 40360), (615, 32288), (656, 30270), (820, 24216), (984, 20180), (1009, 19680), (1230, 16144), (1312, 15135), (1640, 12108), (1968, 10090), (2018, 9840), (2460, 8072), (3027, 6560), (3280, 6054), (3936, 5045), (4036, 4920)]