19913280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20743}}^1$

素因数の和:20763

約数の個数: 56

約数和(自身を含む): 63227712

約数和(自身を除く): 43314432

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, 160, 192, 240, 320, 480, 960, 20743, 41486, 62229, 82972, 103715, 124458, 165944, 207430, 248916, 311145, 331888, 414860, 497832, 622290, 663776, 829720, 995664, 1244580, 1327552, 1659440, 1991328, 2489160, 3318880, 3982656, 4978320, 6637760, 9956640, 19913280]

約数ペア:

[(1, 19913280), (2, 9956640), (3, 6637760), (4, 4978320), (5, 3982656), (6, 3318880), (8, 2489160), (10, 1991328), (12, 1659440), (15, 1327552), (16, 1244580), (20, 995664), (24, 829720), (30, 663776), (32, 622290), (40, 497832), (48, 414860), (60, 331888), (64, 311145), (80, 248916), (96, 207430), (120, 165944), (160, 124458), (192, 103715), (240, 82972), (320, 62229), (480, 41486), (960, 20743)]