399731760

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{61687}}^1$

素因数の和:61712

約数の個数: 100

約数和(自身を含む): 1388350128

約数和(自身を除く): 988618368

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, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 61687, 123374, 185061, 246748, 308435, 370122, 493496, 555183, 616870, 740244, 925305, 986992, 1110366, 1233740, 1480488, 1665549, 1850610, 2220732, 2467480, 2775915, 2960976, 3331098, 3701220, 4441464, 4934960, 4996647, 5551830, 6662196, 7402440, 8327745, 8882928, 9993294, 11103660, 13324392, 14804880, 16655490, 19986588, 22207320, 24983235, 26648784, 33310980, 39973176, 44414640, 49966470, 66621960, 79946352, 99932940, 133243920, 199865880, 399731760]

約数ペア:

[(1, 399731760), (2, 199865880), (3, 133243920), (4, 99932940), (5, 79946352), (6, 66621960), (8, 49966470), (9, 44414640), (10, 39973176), (12, 33310980), (15, 26648784), (16, 24983235), (18, 22207320), (20, 19986588), (24, 16655490), (27, 14804880), (30, 13324392), (36, 11103660), (40, 9993294), (45, 8882928), (48, 8327745), (54, 7402440), (60, 6662196), (72, 5551830), (80, 4996647), (81, 4934960), (90, 4441464), (108, 3701220), (120, 3331098), (135, 2960976), (144, 2775915), (162, 2467480), (180, 2220732), (216, 1850610), (240, 1665549), (270, 1480488), (324, 1233740), (360, 1110366), (405, 986992), (432, 925305), (540, 740244), (648, 616870), (720, 555183), (810, 493496), (1080, 370122), (1296, 308435), (1620, 246748), (2160, 185061), (3240, 123374), (6480, 61687)]