1323019520

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15427}}^1$

素因数の和:15515

約数の個数: 72

約数和(自身を含む): 3216552864

約数和(自身を除く): 1893533344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 536, 640, 670, 1072, 1280, 1340, 2144, 2680, 4288, 5360, 8576, 10720, 15427, 17152, 21440, 30854, 42880, 61708, 77135, 85760, 123416, 154270, 246832, 308540, 493664, 617080, 987328, 1033609, 1234160, 1974656, 2067218, 2468320, 3949312, 4134436, 4936640, 5168045, 8268872, 9873280, 10336090, 16537744, 19746560, 20672180, 33075488, 41344360, 66150976, 82688720, 132301952, 165377440, 264603904, 330754880, 661509760, 1323019520]

約数ペア:

[(1, 1323019520), (2, 661509760), (4, 330754880), (5, 264603904), (8, 165377440), (10, 132301952), (16, 82688720), (20, 66150976), (32, 41344360), (40, 33075488), (64, 20672180), (67, 19746560), (80, 16537744), (128, 10336090), (134, 9873280), (160, 8268872), (256, 5168045), (268, 4936640), (320, 4134436), (335, 3949312), (536, 2468320), (640, 2067218), (670, 1974656), (1072, 1234160), (1280, 1033609), (1340, 987328), (2144, 617080), (2680, 493664), (4288, 308540), (5360, 246832), (8576, 154270), (10720, 123416), (15427, 85760), (17152, 77135), (21440, 61708), (30854, 42880)]