28450260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{883}}^1$

素因数の和:1077

約数の個数: 72

約数和(自身を含む): 86879520

約数和(自身を除く): 58429260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 883, 895, 1074, 1611, 1766, 1790, 2148, 2649, 2685, 3222, 3532, 3580, 4415, 5298, 5370, 6444, 7947, 8055, 8830, 10596, 10740, 13245, 15894, 16110, 17660, 26490, 31788, 32220, 39735, 52980, 79470, 158057, 158940, 316114, 474171, 632228, 790285, 948342, 1422513, 1580570, 1896684, 2370855, 2845026, 3161140, 4741710, 5690052, 7112565, 9483420, 14225130, 28450260]

約数ペア:

[(1, 28450260), (2, 14225130), (3, 9483420), (4, 7112565), (5, 5690052), (6, 4741710), (9, 3161140), (10, 2845026), (12, 2370855), (15, 1896684), (18, 1580570), (20, 1422513), (30, 948342), (36, 790285), (45, 632228), (60, 474171), (90, 316114), (179, 158940), (180, 158057), (358, 79470), (537, 52980), (716, 39735), (883, 32220), (895, 31788), (1074, 26490), (1611, 17660), (1766, 16110), (1790, 15894), (2148, 13245), (2649, 10740), (2685, 10596), (3222, 8830), (3532, 8055), (3580, 7947), (4415, 6444), (5298, 5370)]