81949440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21341}}^1$

素因数の和:21365

約数の個数: 72

約数和(自身を含む): 261738288

約数和(自身を除く): 179788848

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 21341, 42682, 64023, 85364, 106705, 128046, 170728, 213410, 256092, 320115, 341456, 426820, 512184, 640230, 682912, 853640, 1024368, 1280460, 1365824, 1707280, 2048736, 2560920, 2731648, 3414560, 4097472, 5121840, 5463296, 6829120, 8194944, 10243680, 13658240, 16389888, 20487360, 27316480, 40974720, 81949440]

約数ペア:

[(1, 81949440), (2, 40974720), (3, 27316480), (4, 20487360), (5, 16389888), (6, 13658240), (8, 10243680), (10, 8194944), (12, 6829120), (15, 5463296), (16, 5121840), (20, 4097472), (24, 3414560), (30, 2731648), (32, 2560920), (40, 2048736), (48, 1707280), (60, 1365824), (64, 1280460), (80, 1024368), (96, 853640), (120, 682912), (128, 640230), (160, 512184), (192, 426820), (240, 341456), (256, 320115), (320, 256092), (384, 213410), (480, 170728), (640, 128046), (768, 106705), (960, 85364), (1280, 64023), (1920, 42682), (3840, 21341)]