81570570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1799

約数の個数: 64

約数和(自身を含む): 205856640

約数和(自身を除く): 124286070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 43, 74, 86, 111, 129, 185, 215, 222, 258, 370, 430, 555, 645, 1110, 1290, 1591, 1709, 3182, 3418, 4773, 5127, 7955, 8545, 9546, 10254, 15910, 17090, 23865, 25635, 47730, 51270, 63233, 73487, 126466, 146974, 189699, 220461, 316165, 367435, 379398, 440922, 632330, 734870, 948495, 1102305, 1896990, 2204610, 2719019, 5438038, 8157057, 13595095, 16314114, 27190190, 40785285, 81570570]

約数ペア:

[(1, 81570570), (2, 40785285), (3, 27190190), (5, 16314114), (6, 13595095), (10, 8157057), (15, 5438038), (30, 2719019), (37, 2204610), (43, 1896990), (74, 1102305), (86, 948495), (111, 734870), (129, 632330), (185, 440922), (215, 379398), (222, 367435), (258, 316165), (370, 220461), (430, 189699), (555, 146974), (645, 126466), (1110, 73487), (1290, 63233), (1591, 51270), (1709, 47730), (3182, 25635), (3418, 23865), (4773, 17090), (5127, 15910), (7955, 10254), (8545, 9546)]