68614400

素因数分解:

$2^8\times 5^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 108

約数和(自身を含む): 173363904

約数和(自身を除く): 104749504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 128, 142, 151, 160, 200, 256, 284, 302, 320, 355, 400, 568, 604, 640, 710, 755, 800, 1136, 1208, 1280, 1420, 1510, 1600, 1775, 2272, 2416, 2840, 3020, 3200, 3550, 3775, 4544, 4832, 5680, 6040, 6400, 7100, 7550, 9088, 9664, 10721, 11360, 12080, 14200, 15100, 18176, 19328, 21442, 22720, 24160, 28400, 30200, 38656, 42884, 45440, 48320, 53605, 56800, 60400, 85768, 90880, 96640, 107210, 113600, 120800, 171536, 193280, 214420, 227200, 241600, 268025, 343072, 428840, 454400, 483200, 536050, 686144, 857680, 966400, 1072100, 1372288, 1715360, 2144200, 2744576, 3430720, 4288400, 6861440, 8576800, 13722880, 17153600, 34307200, 68614400]

約数ペア:

[(1, 68614400), (2, 34307200), (4, 17153600), (5, 13722880), (8, 8576800), (10, 6861440), (16, 4288400), (20, 3430720), (25, 2744576), (32, 2144200), (40, 1715360), (50, 1372288), (64, 1072100), (71, 966400), (80, 857680), (100, 686144), (128, 536050), (142, 483200), (151, 454400), (160, 428840), (200, 343072), (256, 268025), (284, 241600), (302, 227200), (320, 214420), (355, 193280), (400, 171536), (568, 120800), (604, 113600), (640, 107210), (710, 96640), (755, 90880), (800, 85768), (1136, 60400), (1208, 56800), (1280, 53605), (1420, 48320), (1510, 45440), (1600, 42884), (1775, 38656), (2272, 30200), (2416, 28400), (2840, 24160), (3020, 22720), (3200, 21442), (3550, 19328), (3775, 18176), (4544, 15100), (4832, 14200), (5680, 12080), (6040, 11360), (6400, 10721), (7100, 9664), (7550, 9088)]