68816640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17921}}^1$

素因数の和:17945

約数の個数: 72

約数和(自身を含む): 219795408

約数和(自身を除く): 150978768

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, 17921, 35842, 53763, 71684, 89605, 107526, 143368, 179210, 215052, 268815, 286736, 358420, 430104, 537630, 573472, 716840, 860208, 1075260, 1146944, 1433680, 1720416, 2150520, 2293888, 2867360, 3440832, 4301040, 4587776, 5734720, 6881664, 8602080, 11469440, 13763328, 17204160, 22938880, 34408320, 68816640]

約数ペア:

[(1, 68816640), (2, 34408320), (3, 22938880), (4, 17204160), (5, 13763328), (6, 11469440), (8, 8602080), (10, 6881664), (12, 5734720), (15, 4587776), (16, 4301040), (20, 3440832), (24, 2867360), (30, 2293888), (32, 2150520), (40, 1720416), (48, 1433680), (60, 1146944), (64, 1075260), (80, 860208), (96, 716840), (120, 573472), (128, 537630), (160, 430104), (192, 358420), (240, 286736), (256, 268815), (320, 215052), (384, 179210), (480, 143368), (640, 107526), (768, 89605), (960, 71684), (1280, 53763), (1920, 35842), (3840, 17921)]