81825840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113647}}^1$

素因数の和:113666

約数の個数: 60

約数和(自身を含む): 274800864

約数和(自身を除く): 192975024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113647, 227294, 340941, 454588, 568235, 681882, 909176, 1022823, 1136470, 1363764, 1704705, 1818352, 2045646, 2272940, 2727528, 3409410, 4091292, 4545880, 5114115, 5455056, 6818820, 8182584, 9091760, 10228230, 13637640, 16365168, 20456460, 27275280, 40912920, 81825840]

約数ペア:

[(1, 81825840), (2, 40912920), (3, 27275280), (4, 20456460), (5, 16365168), (6, 13637640), (8, 10228230), (9, 9091760), (10, 8182584), (12, 6818820), (15, 5455056), (16, 5114115), (18, 4545880), (20, 4091292), (24, 3409410), (30, 2727528), (36, 2272940), (40, 2045646), (45, 1818352), (48, 1704705), (60, 1363764), (72, 1136470), (80, 1022823), (90, 909176), (120, 681882), (144, 568235), (180, 454588), (240, 340941), (360, 227294), (720, 113647)]