1448720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 4166400

約数和(自身を除く): 2717680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 199, 208, 260, 280, 364, 398, 455, 520, 560, 728, 796, 910, 995, 1040, 1393, 1456, 1592, 1820, 1990, 2587, 2786, 3184, 3640, 3980, 5174, 5572, 6965, 7280, 7960, 10348, 11144, 12935, 13930, 15920, 18109, 20696, 22288, 25870, 27860, 36218, 41392, 51740, 55720, 72436, 90545, 103480, 111440, 144872, 181090, 206960, 289744, 362180, 724360, 1448720]

約数ペア:

[(1, 1448720), (2, 724360), (4, 362180), (5, 289744), (7, 206960), (8, 181090), (10, 144872), (13, 111440), (14, 103480), (16, 90545), (20, 72436), (26, 55720), (28, 51740), (35, 41392), (40, 36218), (52, 27860), (56, 25870), (65, 22288), (70, 20696), (80, 18109), (91, 15920), (104, 13930), (112, 12935), (130, 11144), (140, 10348), (182, 7960), (199, 7280), (208, 6965), (260, 5572), (280, 5174), (364, 3980), (398, 3640), (455, 3184), (520, 2786), (560, 2587), (728, 1990), (796, 1820), (910, 1592), (995, 1456), (1040, 1393)]