28242840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6361}}^1$

素因数の和:6412

約数の個数: 64

約数和(自身を含む): 87032160

約数和(自身を除く): 58789320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 6361, 12722, 19083, 25444, 31805, 38166, 50888, 63610, 76332, 95415, 127220, 152664, 190830, 235357, 254440, 381660, 470714, 706071, 763320, 941428, 1176785, 1412142, 1882856, 2353570, 2824284, 3530355, 4707140, 5648568, 7060710, 9414280, 14121420, 28242840]

約数ペア:

[(1, 28242840), (2, 14121420), (3, 9414280), (4, 7060710), (5, 5648568), (6, 4707140), (8, 3530355), (10, 2824284), (12, 2353570), (15, 1882856), (20, 1412142), (24, 1176785), (30, 941428), (37, 763320), (40, 706071), (60, 470714), (74, 381660), (111, 254440), (120, 235357), (148, 190830), (185, 152664), (222, 127220), (296, 95415), (370, 76332), (444, 63610), (555, 50888), (740, 38166), (888, 31805), (1110, 25444), (1480, 19083), (2220, 12722), (4440, 6361)]