15630280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 36936000

約数和(自身を除く): 21305720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 118, 148, 179, 185, 236, 295, 296, 358, 370, 472, 590, 716, 740, 895, 1180, 1432, 1480, 1790, 2183, 2360, 3580, 4366, 6623, 7160, 8732, 10561, 10915, 13246, 17464, 21122, 21830, 26492, 33115, 42244, 43660, 52805, 52984, 66230, 84488, 87320, 105610, 132460, 211220, 264920, 390757, 422440, 781514, 1563028, 1953785, 3126056, 3907570, 7815140, 15630280]

約数ペア:

[(1, 15630280), (2, 7815140), (4, 3907570), (5, 3126056), (8, 1953785), (10, 1563028), (20, 781514), (37, 422440), (40, 390757), (59, 264920), (74, 211220), (118, 132460), (148, 105610), (179, 87320), (185, 84488), (236, 66230), (295, 52984), (296, 52805), (358, 43660), (370, 42244), (472, 33115), (590, 26492), (716, 21830), (740, 21122), (895, 17464), (1180, 13246), (1432, 10915), (1480, 10561), (1790, 8732), (2183, 7160), (2360, 6623), (3580, 4366)]