1405888520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{1699}}^1$

素因数の和:1998

約数の個数: 64

約数和(自身を含む): 3209328000

約数和(自身を除く): 1803439480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 151, 274, 302, 548, 604, 685, 755, 1096, 1208, 1370, 1510, 1699, 2740, 3020, 3398, 5480, 6040, 6796, 8495, 13592, 16990, 20687, 33980, 41374, 67960, 82748, 103435, 165496, 206870, 232763, 256549, 413740, 465526, 513098, 827480, 931052, 1026196, 1163815, 1282745, 1862104, 2052392, 2327630, 2565490, 4655260, 5130980, 9310520, 10261960, 35147213, 70294426, 140588852, 175736065, 281177704, 351472130, 702944260, 1405888520]

約数ペア:

[(1, 1405888520), (2, 702944260), (4, 351472130), (5, 281177704), (8, 175736065), (10, 140588852), (20, 70294426), (40, 35147213), (137, 10261960), (151, 9310520), (274, 5130980), (302, 4655260), (548, 2565490), (604, 2327630), (685, 2052392), (755, 1862104), (1096, 1282745), (1208, 1163815), (1370, 1026196), (1510, 931052), (1699, 827480), (2740, 513098), (3020, 465526), (3398, 413740), (5480, 256549), (6040, 232763), (6796, 206870), (8495, 165496), (13592, 103435), (16990, 82748), (20687, 67960), (33980, 41374)]