28079730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 87091200

約数和(自身を除く): 59011470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 83, 90, 105, 126, 135, 166, 179, 189, 210, 249, 270, 315, 358, 378, 415, 498, 537, 581, 630, 747, 830, 895, 945, 1074, 1162, 1245, 1253, 1494, 1611, 1743, 1790, 1890, 2241, 2490, 2506, 2685, 2905, 3222, 3486, 3735, 3759, 4482, 4833, 5229, 5370, 5810, 6265, 7470, 7518, 8055, 8715, 9666, 10458, 11205, 11277, 12530, 14857, 15687, 16110, 17430, 18795, 22410, 22554, 24165, 26145, 29714, 31374, 33831, 37590, 44571, 48330, 52290, 56385, 67662, 74285, 78435, 89142, 103999, 112770, 133713, 148570, 156870, 169155, 207998, 222855, 267426, 311997, 338310, 401139, 445710, 519995, 623994, 668565, 802278, 935991, 1039990, 1337130, 1559985, 1871982, 2005695, 2807973, 3119970, 4011390, 4679955, 5615946, 9359910, 14039865, 28079730]

約数ペア:

[(1, 28079730), (2, 14039865), (3, 9359910), (5, 5615946), (6, 4679955), (7, 4011390), (9, 3119970), (10, 2807973), (14, 2005695), (15, 1871982), (18, 1559985), (21, 1337130), (27, 1039990), (30, 935991), (35, 802278), (42, 668565), (45, 623994), (54, 519995), (63, 445710), (70, 401139), (83, 338310), (90, 311997), (105, 267426), (126, 222855), (135, 207998), (166, 169155), (179, 156870), (189, 148570), (210, 133713), (249, 112770), (270, 103999), (315, 89142), (358, 78435), (378, 74285), (415, 67662), (498, 56385), (537, 52290), (581, 48330), (630, 44571), (747, 37590), (830, 33831), (895, 31374), (945, 29714), (1074, 26145), (1162, 24165), (1245, 22554), (1253, 22410), (1494, 18795), (1611, 17430), (1743, 16110), (1790, 15687), (1890, 14857), (2241, 12530), (2490, 11277), (2506, 11205), (2685, 10458), (2905, 9666), (3222, 8715), (3486, 8055), (3735, 7518), (3759, 7470), (4482, 6265), (4833, 5810), (5229, 5370)]