256955040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{178441}}^1$

素因数の和:178462

約数の個数: 72

約数和(自身を含む): 876863988

約数和(自身を除く): 619908948

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, 178441, 356882, 535323, 713764, 892205, 1070646, 1427528, 1605969, 1784410, 2141292, 2676615, 2855056, 3211938, 3568820, 4282584, 5353230, 5710112, 6423876, 7137640, 8029845, 8565168, 10706460, 12847752, 14275280, 16059690, 17130336, 21412920, 25695504, 28550560, 32119380, 42825840, 51391008, 64238760, 85651680, 128477520, 256955040]

約数ペア:

[(1, 256955040), (2, 128477520), (3, 85651680), (4, 64238760), (5, 51391008), (6, 42825840), (8, 32119380), (9, 28550560), (10, 25695504), (12, 21412920), (15, 17130336), (16, 16059690), (18, 14275280), (20, 12847752), (24, 10706460), (30, 8565168), (32, 8029845), (36, 7137640), (40, 6423876), (45, 5710112), (48, 5353230), (60, 4282584), (72, 3568820), (80, 3211938), (90, 2855056), (96, 2676615), (120, 2141292), (144, 1784410), (160, 1605969), (180, 1427528), (240, 1070646), (288, 892205), (360, 713764), (480, 535323), (720, 356882), (1440, 178441)]