320466780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{587}}^1$

素因数の和:945

約数の個数: 120

約数和(自身を含む): 1010017008

約数和(自身を除く): 689550228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 337, 405, 540, 587, 674, 810, 1011, 1174, 1348, 1620, 1685, 1761, 2022, 2348, 2935, 3033, 3370, 3522, 4044, 5055, 5283, 5870, 6066, 6740, 7044, 8805, 9099, 10110, 10566, 11740, 12132, 15165, 15849, 17610, 18198, 20220, 21132, 26415, 27297, 30330, 31698, 35220, 36396, 45495, 47547, 52830, 54594, 60660, 63396, 79245, 90990, 95094, 105660, 109188, 136485, 158490, 181980, 190188, 197819, 237735, 272970, 316980, 395638, 475470, 545940, 593457, 791276, 950940, 989095, 1186914, 1780371, 1978190, 2373828, 2967285, 3560742, 3956380, 5341113, 5934570, 7121484, 8901855, 10682226, 11869140, 16023339, 17803710, 21364452, 26705565, 32046678, 35607420, 53411130, 64093356, 80116695, 106822260, 160233390, 320466780]

約数ペア:

[(1, 320466780), (2, 160233390), (3, 106822260), (4, 80116695), (5, 64093356), (6, 53411130), (9, 35607420), (10, 32046678), (12, 26705565), (15, 21364452), (18, 17803710), (20, 16023339), (27, 11869140), (30, 10682226), (36, 8901855), (45, 7121484), (54, 5934570), (60, 5341113), (81, 3956380), (90, 3560742), (108, 2967285), (135, 2373828), (162, 1978190), (180, 1780371), (270, 1186914), (324, 989095), (337, 950940), (405, 791276), (540, 593457), (587, 545940), (674, 475470), (810, 395638), (1011, 316980), (1174, 272970), (1348, 237735), (1620, 197819), (1685, 190188), (1761, 181980), (2022, 158490), (2348, 136485), (2935, 109188), (3033, 105660), (3370, 95094), (3522, 90990), (4044, 79245), (5055, 63396), (5283, 60660), (5870, 54594), (6066, 52830), (6740, 47547), (7044, 45495), (8805, 36396), (9099, 35220), (10110, 31698), (10566, 30330), (11740, 27297), (12132, 26415), (15165, 21132), (15849, 20220), (17610, 18198)]