65207040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{16981}}^1$

素因数の和:17005

約数の個数: 72

約数和(自身を含む): 208267248

約数和(自身を除く): 143060208

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, 16981, 33962, 50943, 67924, 84905, 101886, 135848, 169810, 203772, 254715, 271696, 339620, 407544, 509430, 543392, 679240, 815088, 1018860, 1086784, 1358480, 1630176, 2037720, 2173568, 2716960, 3260352, 4075440, 4347136, 5433920, 6520704, 8150880, 10867840, 13041408, 16301760, 21735680, 32603520, 65207040]

約数ペア:

[(1, 65207040), (2, 32603520), (3, 21735680), (4, 16301760), (5, 13041408), (6, 10867840), (8, 8150880), (10, 6520704), (12, 5433920), (15, 4347136), (16, 4075440), (20, 3260352), (24, 2716960), (30, 2173568), (32, 2037720), (40, 1630176), (48, 1358480), (60, 1086784), (64, 1018860), (80, 815088), (96, 679240), (120, 543392), (128, 509430), (160, 407544), (192, 339620), (240, 271696), (256, 254715), (320, 203772), (384, 169810), (480, 135848), (640, 101886), (768, 84905), (960, 67924), (1280, 50943), (1920, 33962), (3840, 16981)]