31684860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1709}}^1$

素因数の和:1827

約数の個数: 72

約数和(自身を含む): 97100640

約数和(自身を除く): 65415780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1709, 1854, 2060, 3090, 3418, 3708, 4635, 5127, 6180, 6836, 8545, 9270, 10254, 15381, 17090, 18540, 20508, 25635, 30762, 34180, 51270, 61524, 76905, 102540, 153810, 176027, 307620, 352054, 528081, 704108, 880135, 1056162, 1584243, 1760270, 2112324, 2640405, 3168486, 3520540, 5280810, 6336972, 7921215, 10561620, 15842430, 31684860]

約数ペア:

[(1, 31684860), (2, 15842430), (3, 10561620), (4, 7921215), (5, 6336972), (6, 5280810), (9, 3520540), (10, 3168486), (12, 2640405), (15, 2112324), (18, 1760270), (20, 1584243), (30, 1056162), (36, 880135), (45, 704108), (60, 528081), (90, 352054), (103, 307620), (180, 176027), (206, 153810), (309, 102540), (412, 76905), (515, 61524), (618, 51270), (927, 34180), (1030, 30762), (1236, 25635), (1545, 20508), (1709, 18540), (1854, 17090), (2060, 15381), (3090, 10254), (3418, 9270), (3708, 8545), (4635, 6836), (5127, 6180)]