205060320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{142403}}^1$

素因数の和:142424

約数の個数: 72

約数和(自身を含む): 699773256

約数和(自身を除く): 494712936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 142403, 284806, 427209, 569612, 712015, 854418, 1139224, 1281627, 1424030, 1708836, 2136045, 2278448, 2563254, 2848060, 3417672, 4272090, 4556896, 5126508, 5696120, 6408135, 6835344, 8544180, 10253016, 11392240, 12816270, 13670688, 17088360, 20506032, 22784480, 25632540, 34176720, 41012064, 51265080, 68353440, 102530160, 205060320]

約数ペア:

[(1, 205060320), (2, 102530160), (3, 68353440), (4, 51265080), (5, 41012064), (6, 34176720), (8, 25632540), (9, 22784480), (10, 20506032), (12, 17088360), (15, 13670688), (16, 12816270), (18, 11392240), (20, 10253016), (24, 8544180), (30, 6835344), (32, 6408135), (36, 5696120), (40, 5126508), (45, 4556896), (48, 4272090), (60, 3417672), (72, 2848060), (80, 2563254), (90, 2278448), (96, 2136045), (120, 1708836), (144, 1424030), (160, 1281627), (180, 1139224), (240, 854418), (288, 712015), (360, 569612), (480, 427209), (720, 284806), (1440, 142403)]