81316410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12491}}^1$

素因数の和:12539

約数の個数: 64

約数和(自身を含む): 230252544

約数和(自身を除く): 148936134

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 6510, 12491, 24982, 37473, 62455, 74946, 87437, 124910, 174874, 187365, 262311, 374730, 387221, 437185, 524622, 774442, 874370, 1161663, 1311555, 1936105, 2323326, 2623110, 2710547, 3872210, 5421094, 5808315, 8131641, 11616630, 13552735, 16263282, 27105470, 40658205, 81316410]

約数ペア:

[(1, 81316410), (2, 40658205), (3, 27105470), (5, 16263282), (6, 13552735), (7, 11616630), (10, 8131641), (14, 5808315), (15, 5421094), (21, 3872210), (30, 2710547), (31, 2623110), (35, 2323326), (42, 1936105), (62, 1311555), (70, 1161663), (93, 874370), (105, 774442), (155, 524622), (186, 437185), (210, 387221), (217, 374730), (310, 262311), (434, 187365), (465, 174874), (651, 124910), (930, 87437), (1085, 74946), (1302, 62455), (2170, 37473), (3255, 24982), (6510, 12491)]