1027540480

素因数分解:

$2^9\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2017}}^1$

素因数の和:2239

約数の個数: 80

約数和(自身を含む): 2477296800

約数和(自身を除く): 1449756320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 256, 320, 398, 512, 640, 796, 995, 1280, 1592, 1990, 2017, 2560, 3184, 3980, 4034, 6368, 7960, 8068, 10085, 12736, 15920, 16136, 20170, 25472, 31840, 32272, 40340, 50944, 63680, 64544, 80680, 101888, 127360, 129088, 161360, 254720, 258176, 322720, 401383, 509440, 516352, 645440, 802766, 1032704, 1290880, 1605532, 2006915, 2581760, 3211064, 4013830, 5163520, 6422128, 8027660, 12844256, 16055320, 25688512, 32110640, 51377024, 64221280, 102754048, 128442560, 205508096, 256885120, 513770240, 1027540480]

約数ペア:

[(1, 1027540480), (2, 513770240), (4, 256885120), (5, 205508096), (8, 128442560), (10, 102754048), (16, 64221280), (20, 51377024), (32, 32110640), (40, 25688512), (64, 16055320), (80, 12844256), (128, 8027660), (160, 6422128), (199, 5163520), (256, 4013830), (320, 3211064), (398, 2581760), (512, 2006915), (640, 1605532), (796, 1290880), (995, 1032704), (1280, 802766), (1592, 645440), (1990, 516352), (2017, 509440), (2560, 401383), (3184, 322720), (3980, 258176), (4034, 254720), (6368, 161360), (7960, 129088), (8068, 127360), (10085, 101888), (12736, 80680), (15920, 64544), (16136, 63680), (20170, 50944), (25472, 40340), (31840, 32272)]