389777760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{270679}}^1$

素因数の和:270700

約数の個数: 72

約数和(自身を含む): 1330121520

約数和(自身を除く): 940343760

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, 270679, 541358, 812037, 1082716, 1353395, 1624074, 2165432, 2436111, 2706790, 3248148, 4060185, 4330864, 4872222, 5413580, 6496296, 8120370, 8661728, 9744444, 10827160, 12180555, 12992592, 16240740, 19488888, 21654320, 24361110, 25985184, 32481480, 38977776, 43308640, 48722220, 64962960, 77955552, 97444440, 129925920, 194888880, 389777760]

約数ペア:

[(1, 389777760), (2, 194888880), (3, 129925920), (4, 97444440), (5, 77955552), (6, 64962960), (8, 48722220), (9, 43308640), (10, 38977776), (12, 32481480), (15, 25985184), (16, 24361110), (18, 21654320), (20, 19488888), (24, 16240740), (30, 12992592), (32, 12180555), (36, 10827160), (40, 9744444), (45, 8661728), (48, 8120370), (60, 6496296), (72, 5413580), (80, 4872222), (90, 4330864), (96, 4060185), (120, 3248148), (144, 2706790), (160, 2436111), (180, 2165432), (240, 1624074), (288, 1353395), (360, 1082716), (480, 812037), (720, 541358), (1440, 270679)]