179948720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{839}}^1$

素因数の和:1242

約数の個数: 80

約数和(自身を含む): 479969280

約数和(自身を除く): 300020560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 383, 560, 766, 839, 1532, 1678, 1915, 2681, 3064, 3356, 3830, 4195, 5362, 5873, 6128, 6712, 7660, 8390, 10724, 11746, 13405, 13424, 15320, 16780, 21448, 23492, 26810, 29365, 30640, 33560, 42896, 46984, 53620, 58730, 67120, 93968, 107240, 117460, 214480, 234920, 321337, 469840, 642674, 1285348, 1606685, 2249359, 2570696, 3213370, 4498718, 5141392, 6426740, 8997436, 11246795, 12853480, 17994872, 22493590, 25706960, 35989744, 44987180, 89974360, 179948720]

約数ペア:

[(1, 179948720), (2, 89974360), (4, 44987180), (5, 35989744), (7, 25706960), (8, 22493590), (10, 17994872), (14, 12853480), (16, 11246795), (20, 8997436), (28, 6426740), (35, 5141392), (40, 4498718), (56, 3213370), (70, 2570696), (80, 2249359), (112, 1606685), (140, 1285348), (280, 642674), (383, 469840), (560, 321337), (766, 234920), (839, 214480), (1532, 117460), (1678, 107240), (1915, 93968), (2681, 67120), (3064, 58730), (3356, 53620), (3830, 46984), (4195, 42896), (5362, 33560), (5873, 30640), (6128, 29365), (6712, 26810), (7660, 23492), (8390, 21448), (10724, 16780), (11746, 15320), (13405, 13424)]