31516480

素因数分解:

$2^6\times 5^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:827

約数の個数: 56

約数和(自身を含む): 75666600

約数和(自身を除く): 44150120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 149, 160, 298, 320, 596, 661, 745, 1192, 1322, 1490, 2384, 2644, 2980, 3305, 4768, 5288, 5960, 6610, 9536, 10576, 11920, 13220, 21152, 23840, 26440, 42304, 47680, 52880, 98489, 105760, 196978, 211520, 393956, 492445, 787912, 984890, 1575824, 1969780, 3151648, 3939560, 6303296, 7879120, 15758240, 31516480]

約数ペア:

[(1, 31516480), (2, 15758240), (4, 7879120), (5, 6303296), (8, 3939560), (10, 3151648), (16, 1969780), (20, 1575824), (32, 984890), (40, 787912), (64, 492445), (80, 393956), (149, 211520), (160, 196978), (298, 105760), (320, 98489), (596, 52880), (661, 47680), (745, 42304), (1192, 26440), (1322, 23840), (1490, 21152), (2384, 13220), (2644, 11920), (2980, 10576), (3305, 9536), (4768, 6610), (5288, 5960)]