131242680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{40507}}^1$

素因数の和:40530

約数の個数: 80

約数和(自身を含む): 441132120

約数和(自身を除く): 309889440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 40507, 81014, 121521, 162028, 202535, 243042, 324056, 364563, 405070, 486084, 607605, 729126, 810140, 972168, 1093689, 1215210, 1458252, 1620280, 1822815, 2187378, 2430420, 2916504, 3281067, 3645630, 4374756, 4860840, 5468445, 6562134, 7291260, 8749512, 10936890, 13124268, 14582520, 16405335, 21873780, 26248536, 32810670, 43747560, 65621340, 131242680]

約数ペア:

[(1, 131242680), (2, 65621340), (3, 43747560), (4, 32810670), (5, 26248536), (6, 21873780), (8, 16405335), (9, 14582520), (10, 13124268), (12, 10936890), (15, 8749512), (18, 7291260), (20, 6562134), (24, 5468445), (27, 4860840), (30, 4374756), (36, 3645630), (40, 3281067), (45, 2916504), (54, 2430420), (60, 2187378), (72, 1822815), (81, 1620280), (90, 1458252), (108, 1215210), (120, 1093689), (135, 972168), (162, 810140), (180, 729126), (216, 607605), (270, 486084), (324, 405070), (360, 364563), (405, 324056), (540, 243042), (648, 202535), (810, 162028), (1080, 121521), (1620, 81014), (3240, 40507)]