68751480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81847}}^1$

素因数の和:81868

約数の個数: 64

約数和(自身を含む): 235722240

約数和(自身を除く): 166970760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 81847, 163694, 245541, 327388, 409235, 491082, 572929, 654776, 818470, 982164, 1145858, 1227705, 1636940, 1718787, 1964328, 2291716, 2455410, 2864645, 3273880, 3437574, 4583432, 4910820, 5729290, 6875148, 8593935, 9821640, 11458580, 13750296, 17187870, 22917160, 34375740, 68751480]

約数ペア:

[(1, 68751480), (2, 34375740), (3, 22917160), (4, 17187870), (5, 13750296), (6, 11458580), (7, 9821640), (8, 8593935), (10, 6875148), (12, 5729290), (14, 4910820), (15, 4583432), (20, 3437574), (21, 3273880), (24, 2864645), (28, 2455410), (30, 2291716), (35, 1964328), (40, 1718787), (42, 1636940), (56, 1227705), (60, 1145858), (70, 982164), (84, 818470), (105, 654776), (120, 572929), (140, 491082), (168, 409235), (210, 327388), (280, 245541), (420, 163694), (840, 81847)]