18279480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 40818120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 179, 184, 185, 222, 230, 276, 296, 345, 358, 370, 444, 460, 537, 552, 555, 690, 716, 740, 851, 888, 895, 920, 1074, 1110, 1380, 1432, 1480, 1702, 1790, 2148, 2220, 2553, 2685, 2760, 3404, 3580, 4117, 4255, 4296, 4440, 5106, 5370, 6623, 6808, 7160, 8234, 8510, 10212, 10740, 12351, 12765, 13246, 16468, 17020, 19869, 20424, 20585, 21480, 24702, 25530, 26492, 32936, 33115, 34040, 39738, 41170, 49404, 51060, 52984, 61755, 66230, 79476, 82340, 98808, 99345, 102120, 123510, 132460, 152329, 158952, 164680, 198690, 247020, 264920, 304658, 397380, 456987, 494040, 609316, 761645, 794760, 913974, 1218632, 1523290, 1827948, 2284935, 3046580, 3655896, 4569870, 6093160, 9139740, 18279480]

約数ペア:

[(1, 18279480), (2, 9139740), (3, 6093160), (4, 4569870), (5, 3655896), (6, 3046580), (8, 2284935), (10, 1827948), (12, 1523290), (15, 1218632), (20, 913974), (23, 794760), (24, 761645), (30, 609316), (37, 494040), (40, 456987), (46, 397380), (60, 304658), (69, 264920), (74, 247020), (92, 198690), (111, 164680), (115, 158952), (120, 152329), (138, 132460), (148, 123510), (179, 102120), (184, 99345), (185, 98808), (222, 82340), (230, 79476), (276, 66230), (296, 61755), (345, 52984), (358, 51060), (370, 49404), (444, 41170), (460, 39738), (537, 34040), (552, 33115), (555, 32936), (690, 26492), (716, 25530), (740, 24702), (851, 21480), (888, 20585), (895, 20424), (920, 19869), (1074, 17020), (1110, 16468), (1380, 13246), (1432, 12765), (1480, 12351), (1702, 10740), (1790, 10212), (2148, 8510), (2220, 8234), (2553, 7160), (2685, 6808), (2760, 6623), (3404, 5370), (3580, 5106), (4117, 4440), (4255, 4296)]