181336120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1319}}^1$

素因数の和:1828

約数の個数: 64

約数和(自身を含む): 467596800

約数和(自身を除く): 286260680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 491, 982, 1319, 1964, 2455, 2638, 3437, 3928, 4910, 5276, 6595, 6874, 9233, 9820, 10552, 13190, 13748, 17185, 18466, 19640, 26380, 27496, 34370, 36932, 46165, 52760, 68740, 73864, 92330, 137480, 184660, 369320, 647629, 1295258, 2590516, 3238145, 4533403, 5181032, 6476290, 9066806, 12952580, 18133612, 22667015, 25905160, 36267224, 45334030, 90668060, 181336120]

約数ペア:

[(1, 181336120), (2, 90668060), (4, 45334030), (5, 36267224), (7, 25905160), (8, 22667015), (10, 18133612), (14, 12952580), (20, 9066806), (28, 6476290), (35, 5181032), (40, 4533403), (56, 3238145), (70, 2590516), (140, 1295258), (280, 647629), (491, 369320), (982, 184660), (1319, 137480), (1964, 92330), (2455, 73864), (2638, 68740), (3437, 52760), (3928, 46165), (4910, 36932), (5276, 34370), (6595, 27496), (6874, 26380), (9233, 19640), (9820, 18466), (10552, 17185), (13190, 13748)]