131480640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:737

約数の個数: 168

約数和(自身を含む): 459321408

約数和(自身を除く): 327840768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 192, 213, 240, 284, 288, 320, 355, 360, 426, 480, 568, 576, 639, 643, 710, 720, 852, 960, 1065, 1136, 1278, 1286, 1420, 1440, 1704, 1929, 2130, 2272, 2556, 2572, 2840, 2880, 3195, 3215, 3408, 3858, 4260, 4544, 5112, 5144, 5680, 5787, 6390, 6430, 6816, 7716, 8520, 9645, 10224, 10288, 11360, 11574, 12780, 12860, 13632, 15432, 17040, 19290, 20448, 20576, 22720, 23148, 25560, 25720, 28935, 30864, 34080, 38580, 40896, 41152, 45653, 46296, 51120, 51440, 57870, 61728, 68160, 77160, 91306, 92592, 102240, 102880, 115740, 123456, 136959, 154320, 182612, 185184, 204480, 205760, 228265, 231480, 273918, 308640, 365224, 370368, 410877, 456530, 462960, 547836, 617280, 684795, 730448, 821754, 913060, 925920, 1095672, 1369590, 1460896, 1643508, 1826120, 1851840, 2054385, 2191344, 2739180, 2921792, 3287016, 3652240, 4108770, 4382688, 5478360, 6574032, 7304480, 8217540, 8765376, 10956720, 13148064, 14608960, 16435080, 21913440, 26296128, 32870160, 43826880, 65740320, 131480640]

約数ペア:

[(1, 131480640), (2, 65740320), (3, 43826880), (4, 32870160), (5, 26296128), (6, 21913440), (8, 16435080), (9, 14608960), (10, 13148064), (12, 10956720), (15, 8765376), (16, 8217540), (18, 7304480), (20, 6574032), (24, 5478360), (30, 4382688), (32, 4108770), (36, 3652240), (40, 3287016), (45, 2921792), (48, 2739180), (60, 2191344), (64, 2054385), (71, 1851840), (72, 1826120), (80, 1643508), (90, 1460896), (96, 1369590), (120, 1095672), (142, 925920), (144, 913060), (160, 821754), (180, 730448), (192, 684795), (213, 617280), (240, 547836), (284, 462960), (288, 456530), (320, 410877), (355, 370368), (360, 365224), (426, 308640), (480, 273918), (568, 231480), (576, 228265), (639, 205760), (643, 204480), (710, 185184), (720, 182612), (852, 154320), (960, 136959), (1065, 123456), (1136, 115740), (1278, 102880), (1286, 102240), (1420, 92592), (1440, 91306), (1704, 77160), (1929, 68160), (2130, 61728), (2272, 57870), (2556, 51440), (2572, 51120), (2840, 46296), (2880, 45653), (3195, 41152), (3215, 40896), (3408, 38580), (3858, 34080), (4260, 30864), (4544, 28935), (5112, 25720), (5144, 25560), (5680, 23148), (5787, 22720), (6390, 20576), (6430, 20448), (6816, 19290), (7716, 17040), (8520, 15432), (9645, 13632), (10224, 12860), (10288, 12780), (11360, 11574)]