15540780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1447}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 43787520

約数和(自身を除く): 28246740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1447, 1790, 2148, 2685, 2894, 3580, 4341, 5370, 5788, 7235, 8682, 10740, 14470, 17364, 21705, 28940, 43410, 86820, 259013, 518026, 777039, 1036052, 1295065, 1554078, 2590130, 3108156, 3885195, 5180260, 7770390, 15540780]

約数ペア:

[(1, 15540780), (2, 7770390), (3, 5180260), (4, 3885195), (5, 3108156), (6, 2590130), (10, 1554078), (12, 1295065), (15, 1036052), (20, 777039), (30, 518026), (60, 259013), (179, 86820), (358, 43410), (537, 28940), (716, 21705), (895, 17364), (1074, 14470), (1447, 10740), (1790, 8682), (2148, 7235), (2685, 5788), (2894, 5370), (3580, 4341)]