19974960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27743}}^1$

素因数の和:27762

約数の個数: 60

約数和(自身を含む): 67084992

約数和(自身を除く): 47110032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27743, 55486, 83229, 110972, 138715, 166458, 221944, 249687, 277430, 332916, 416145, 443888, 499374, 554860, 665832, 832290, 998748, 1109720, 1248435, 1331664, 1664580, 1997496, 2219440, 2496870, 3329160, 3994992, 4993740, 6658320, 9987480, 19974960]

約数ペア:

[(1, 19974960), (2, 9987480), (3, 6658320), (4, 4993740), (5, 3994992), (6, 3329160), (8, 2496870), (9, 2219440), (10, 1997496), (12, 1664580), (15, 1331664), (16, 1248435), (18, 1109720), (20, 998748), (24, 832290), (30, 665832), (36, 554860), (40, 499374), (45, 443888), (48, 416145), (60, 332916), (72, 277430), (80, 249687), (90, 221944), (120, 166458), (144, 138715), (180, 110972), (240, 83229), (360, 55486), (720, 27743)]