1398420720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{647417}}^1$

素因数の和:647439

約数の個数: 80

約数和(自身を含む): 4816789920

約数和(自身を除く): 3418369200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 647417, 1294834, 1942251, 2589668, 3237085, 3884502, 5179336, 5826753, 6474170, 7769004, 9711255, 10358672, 11653506, 12948340, 15538008, 17480259, 19422510, 23307012, 25896680, 29133765, 31076016, 34960518, 38845020, 46614024, 51793360, 58267530, 69921036, 77690040, 87401295, 93228048, 116535060, 139842072, 155380080, 174802590, 233070120, 279684144, 349605180, 466140240, 699210360, 1398420720]

約数ペア:

[(1, 1398420720), (2, 699210360), (3, 466140240), (4, 349605180), (5, 279684144), (6, 233070120), (8, 174802590), (9, 155380080), (10, 139842072), (12, 116535060), (15, 93228048), (16, 87401295), (18, 77690040), (20, 69921036), (24, 58267530), (27, 51793360), (30, 46614024), (36, 38845020), (40, 34960518), (45, 31076016), (48, 29133765), (54, 25896680), (60, 23307012), (72, 19422510), (80, 17480259), (90, 15538008), (108, 12948340), (120, 11653506), (135, 10358672), (144, 9711255), (180, 7769004), (216, 6474170), (240, 5826753), (270, 5179336), (360, 3884502), (432, 3237085), (540, 2589668), (720, 1942251), (1080, 1294834), (2160, 647417)]