86947980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{859}}^1$

素因数の和:1119

約数の個数: 96

約数和(自身を含む): 279713280

約数和(自身を除く): 192765300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 241, 420, 482, 723, 859, 964, 1205, 1446, 1687, 1718, 2410, 2577, 2892, 3374, 3436, 3615, 4295, 4820, 5061, 5154, 6013, 6748, 7230, 8435, 8590, 10122, 10308, 12026, 12885, 14460, 16870, 17180, 18039, 20244, 24052, 25305, 25770, 30065, 33740, 36078, 50610, 51540, 60130, 72156, 90195, 101220, 120260, 180390, 207019, 360780, 414038, 621057, 828076, 1035095, 1242114, 1449133, 2070190, 2484228, 2898266, 3105285, 4140380, 4347399, 5796532, 6210570, 7245665, 8694798, 12421140, 14491330, 17389596, 21736995, 28982660, 43473990, 86947980]

約数ペア:

[(1, 86947980), (2, 43473990), (3, 28982660), (4, 21736995), (5, 17389596), (6, 14491330), (7, 12421140), (10, 8694798), (12, 7245665), (14, 6210570), (15, 5796532), (20, 4347399), (21, 4140380), (28, 3105285), (30, 2898266), (35, 2484228), (42, 2070190), (60, 1449133), (70, 1242114), (84, 1035095), (105, 828076), (140, 621057), (210, 414038), (241, 360780), (420, 207019), (482, 180390), (723, 120260), (859, 101220), (964, 90195), (1205, 72156), (1446, 60130), (1687, 51540), (1718, 50610), (2410, 36078), (2577, 33740), (2892, 30065), (3374, 25770), (3436, 25305), (3615, 24052), (4295, 20244), (4820, 18039), (5061, 17180), (5154, 16870), (6013, 14460), (6748, 12885), (7230, 12026), (8435, 10308), (8590, 10122)]