81949080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18457}}^1$

素因数の和:18508

約数の個数: 64

約数和(自身を含む): 252505440

約数和(自身を除く): 170556360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 18457, 36914, 55371, 73828, 92285, 110742, 147656, 184570, 221484, 276855, 369140, 442968, 553710, 682909, 738280, 1107420, 1365818, 2048727, 2214840, 2731636, 3414545, 4097454, 5463272, 6829090, 8194908, 10243635, 13658180, 16389816, 20487270, 27316360, 40974540, 81949080]

約数ペア:

[(1, 81949080), (2, 40974540), (3, 27316360), (4, 20487270), (5, 16389816), (6, 13658180), (8, 10243635), (10, 8194908), (12, 6829090), (15, 5463272), (20, 4097454), (24, 3414545), (30, 2731636), (37, 2214840), (40, 2048727), (60, 1365818), (74, 1107420), (111, 738280), (120, 682909), (148, 553710), (185, 442968), (222, 369140), (296, 276855), (370, 221484), (444, 184570), (555, 147656), (740, 110742), (888, 92285), (1110, 73828), (1480, 55371), (2220, 36914), (4440, 18457)]