16680720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{9929}}^1$

素因数の和:9952

約数の個数: 80

約数和(自身を含む): 59103360

約数和(自身を除く): 42422640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 9929, 19858, 29787, 39716, 49645, 59574, 69503, 79432, 99290, 119148, 139006, 148935, 158864, 198580, 208509, 238296, 278012, 297870, 347515, 397160, 417018, 476592, 556024, 595740, 695030, 794320, 834036, 1042545, 1112048, 1191480, 1390060, 1668072, 2085090, 2382960, 2780120, 3336144, 4170180, 5560240, 8340360, 16680720]

約数ペア:

[(1, 16680720), (2, 8340360), (3, 5560240), (4, 4170180), (5, 3336144), (6, 2780120), (7, 2382960), (8, 2085090), (10, 1668072), (12, 1390060), (14, 1191480), (15, 1112048), (16, 1042545), (20, 834036), (21, 794320), (24, 695030), (28, 595740), (30, 556024), (35, 476592), (40, 417018), (42, 397160), (48, 347515), (56, 297870), (60, 278012), (70, 238296), (80, 208509), (84, 198580), (105, 158864), (112, 148935), (120, 139006), (140, 119148), (168, 99290), (210, 79432), (240, 69503), (280, 59574), (336, 49645), (420, 39716), (560, 29787), (840, 19858), (1680, 9929)]