281566160

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 671153472

約数和(自身を除く): 389587312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 131, 134, 262, 268, 335, 401, 524, 536, 655, 670, 802, 1048, 1072, 1310, 1340, 1604, 2005, 2096, 2620, 2680, 3208, 4010, 5240, 5360, 6416, 8020, 8777, 10480, 16040, 17554, 26867, 32080, 35108, 43885, 52531, 53734, 70216, 87770, 105062, 107468, 134335, 140432, 175540, 210124, 214936, 262655, 268670, 351080, 420248, 429872, 525310, 537340, 702160, 840496, 1050620, 1074680, 2101240, 2149360, 3519577, 4202480, 7039154, 14078308, 17597885, 28156616, 35195770, 56313232, 70391540, 140783080, 281566160]

約数ペア:

[(1, 281566160), (2, 140783080), (4, 70391540), (5, 56313232), (8, 35195770), (10, 28156616), (16, 17597885), (20, 14078308), (40, 7039154), (67, 4202480), (80, 3519577), (131, 2149360), (134, 2101240), (262, 1074680), (268, 1050620), (335, 840496), (401, 702160), (524, 537340), (536, 525310), (655, 429872), (670, 420248), (802, 351080), (1048, 268670), (1072, 262655), (1310, 214936), (1340, 210124), (1604, 175540), (2005, 140432), (2096, 134335), (2620, 107468), (2680, 105062), (3208, 87770), (4010, 70216), (5240, 53734), (5360, 52531), (6416, 43885), (8020, 35108), (8777, 32080), (10480, 26867), (16040, 17554)]