28686540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2671}}^1$

素因数の和:2862

約数の個数: 48

約数和(自身を含む): 80801280

約数和(自身を除く): 52114740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1790, 2148, 2671, 2685, 3580, 5342, 5370, 8013, 10684, 10740, 13355, 16026, 26710, 32052, 40065, 53420, 80130, 160260, 478109, 956218, 1434327, 1912436, 2390545, 2868654, 4781090, 5737308, 7171635, 9562180, 14343270, 28686540]

約数ペア:

[(1, 28686540), (2, 14343270), (3, 9562180), (4, 7171635), (5, 5737308), (6, 4781090), (10, 2868654), (12, 2390545), (15, 1912436), (20, 1434327), (30, 956218), (60, 478109), (179, 160260), (358, 80130), (537, 53420), (716, 40065), (895, 32052), (1074, 26710), (1790, 16026), (2148, 13355), (2671, 10740), (2685, 10684), (3580, 8013), (5342, 5370)]