261755280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{677}}^1$

素因数の和:878

約数の個数: 160

約数和(自身を含む): 907977600

約数和(自身を除く): 646222320

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, 179, 180, 216, 240, 270, 358, 360, 432, 537, 540, 677, 716, 720, 895, 1074, 1080, 1354, 1432, 1611, 1790, 2031, 2148, 2160, 2685, 2708, 2864, 3222, 3385, 3580, 4062, 4296, 4833, 5370, 5416, 6093, 6444, 6770, 7160, 8055, 8124, 8592, 9666, 10155, 10740, 10832, 12186, 12888, 13540, 14320, 16110, 16248, 18279, 19332, 20310, 21480, 24165, 24372, 25776, 27080, 30465, 32220, 32496, 36558, 38664, 40620, 42960, 48330, 48744, 54160, 60930, 64440, 73116, 77328, 81240, 91395, 96660, 97488, 121183, 121860, 128880, 146232, 162480, 182790, 193320, 242366, 243720, 292464, 363549, 365580, 386640, 484732, 487440, 605915, 727098, 731160, 969464, 1090647, 1211830, 1454196, 1462320, 1817745, 1938928, 2181294, 2423660, 2908392, 3271941, 3635490, 4362588, 4847320, 5453235, 5816784, 6543882, 7270980, 8725176, 9694640, 10906470, 13087764, 14541960, 16359705, 17450352, 21812940, 26175528, 29083920, 32719410, 43625880, 52351056, 65438820, 87251760, 130877640, 261755280]

約数ペア:

[(1, 261755280), (2, 130877640), (3, 87251760), (4, 65438820), (5, 52351056), (6, 43625880), (8, 32719410), (9, 29083920), (10, 26175528), (12, 21812940), (15, 17450352), (16, 16359705), (18, 14541960), (20, 13087764), (24, 10906470), (27, 9694640), (30, 8725176), (36, 7270980), (40, 6543882), (45, 5816784), (48, 5453235), (54, 4847320), (60, 4362588), (72, 3635490), (80, 3271941), (90, 2908392), (108, 2423660), (120, 2181294), (135, 1938928), (144, 1817745), (179, 1462320), (180, 1454196), (216, 1211830), (240, 1090647), (270, 969464), (358, 731160), (360, 727098), (432, 605915), (537, 487440), (540, 484732), (677, 386640), (716, 365580), (720, 363549), (895, 292464), (1074, 243720), (1080, 242366), (1354, 193320), (1432, 182790), (1611, 162480), (1790, 146232), (2031, 128880), (2148, 121860), (2160, 121183), (2685, 97488), (2708, 96660), (2864, 91395), (3222, 81240), (3385, 77328), (3580, 73116), (4062, 64440), (4296, 60930), (4833, 54160), (5370, 48744), (5416, 48330), (6093, 42960), (6444, 40620), (6770, 38664), (7160, 36558), (8055, 32496), (8124, 32220), (8592, 30465), (9666, 27080), (10155, 25776), (10740, 24372), (10832, 24165), (12186, 21480), (12888, 20310), (13540, 19332), (14320, 18279), (16110, 16248)]