1838814720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{239429}}^1$

素因数の和:239455

約数の個数: 80

約数和(自身を含む): 5878485360

約数和(自身を除く): 4039670640

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, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 239429, 478858, 718287, 957716, 1197145, 1436574, 1915432, 2394290, 2873148, 3591435, 3830864, 4788580, 5746296, 7182870, 7661728, 9577160, 11492592, 14365740, 15323456, 19154320, 22985184, 28731480, 30646912, 38308640, 45970368, 57462960, 61293824, 76617280, 91940736, 114925920, 122587648, 153234560, 183881472, 229851840, 306469120, 367762944, 459703680, 612938240, 919407360, 1838814720]

約数ペア:

[(1, 1838814720), (2, 919407360), (3, 612938240), (4, 459703680), (5, 367762944), (6, 306469120), (8, 229851840), (10, 183881472), (12, 153234560), (15, 122587648), (16, 114925920), (20, 91940736), (24, 76617280), (30, 61293824), (32, 57462960), (40, 45970368), (48, 38308640), (60, 30646912), (64, 28731480), (80, 22985184), (96, 19154320), (120, 15323456), (128, 14365740), (160, 11492592), (192, 9577160), (240, 7661728), (256, 7182870), (320, 5746296), (384, 4788580), (480, 3830864), (512, 3591435), (640, 2873148), (768, 2394290), (960, 1915432), (1280, 1436574), (1536, 1197145), (1920, 957716), (2560, 718287), (3840, 478858), (7680, 239429)]