15573740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 41395200

約数和(自身を除く): 25821460

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 172, 182, 199, 215, 260, 301, 364, 398, 430, 455, 559, 602, 796, 860, 910, 995, 1118, 1204, 1393, 1505, 1820, 1990, 2236, 2587, 2786, 2795, 3010, 3913, 3980, 5174, 5572, 5590, 6020, 6965, 7826, 8557, 10348, 11180, 12935, 13930, 15652, 17114, 18109, 19565, 25870, 27860, 34228, 36218, 39130, 42785, 51740, 59899, 72436, 78260, 85570, 90545, 111241, 119798, 171140, 181090, 222482, 239596, 299495, 362180, 444964, 556205, 598990, 778687, 1112410, 1197980, 1557374, 2224820, 3114748, 3893435, 7786870, 15573740]

約数ペア:

[(1, 15573740), (2, 7786870), (4, 3893435), (5, 3114748), (7, 2224820), (10, 1557374), (13, 1197980), (14, 1112410), (20, 778687), (26, 598990), (28, 556205), (35, 444964), (43, 362180), (52, 299495), (65, 239596), (70, 222482), (86, 181090), (91, 171140), (130, 119798), (140, 111241), (172, 90545), (182, 85570), (199, 78260), (215, 72436), (260, 59899), (301, 51740), (364, 42785), (398, 39130), (430, 36218), (455, 34228), (559, 27860), (602, 25870), (796, 19565), (860, 18109), (910, 17114), (995, 15652), (1118, 13930), (1204, 12935), (1393, 11180), (1505, 10348), (1820, 8557), (1990, 7826), (2236, 6965), (2587, 6020), (2786, 5590), (2795, 5572), (3010, 5174), (3913, 3980)]