68874760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 160671600

約数和(自身を除く): 91796840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 173, 185, 269, 296, 346, 370, 538, 692, 740, 865, 1076, 1345, 1384, 1480, 1730, 2152, 2690, 3460, 5380, 6401, 6920, 9953, 10760, 12802, 19906, 25604, 32005, 39812, 46537, 49765, 51208, 64010, 79624, 93074, 99530, 128020, 186148, 199060, 232685, 256040, 372296, 398120, 465370, 930740, 1721869, 1861480, 3443738, 6887476, 8609345, 13774952, 17218690, 34437380, 68874760]

約数ペア:

[(1, 68874760), (2, 34437380), (4, 17218690), (5, 13774952), (8, 8609345), (10, 6887476), (20, 3443738), (37, 1861480), (40, 1721869), (74, 930740), (148, 465370), (173, 398120), (185, 372296), (269, 256040), (296, 232685), (346, 199060), (370, 186148), (538, 128020), (692, 99530), (740, 93074), (865, 79624), (1076, 64010), (1345, 51208), (1384, 49765), (1480, 46537), (1730, 39812), (2152, 32005), (2690, 25604), (3460, 19906), (5380, 12802), (6401, 10760), (6920, 9953)]