81810840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6619}}^1$

素因数の和:6736

約数の個数: 64

約数和(自身を含む): 247852800

約数和(自身を除く): 166041960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 3090, 4120, 6180, 6619, 12360, 13238, 19857, 26476, 33095, 39714, 52952, 66190, 79428, 99285, 132380, 158856, 198570, 264760, 397140, 681757, 794280, 1363514, 2045271, 2727028, 3408785, 4090542, 5454056, 6817570, 8181084, 10226355, 13635140, 16362168, 20452710, 27270280, 40905420, 81810840]

約数ペア:

[(1, 81810840), (2, 40905420), (3, 27270280), (4, 20452710), (5, 16362168), (6, 13635140), (8, 10226355), (10, 8181084), (12, 6817570), (15, 5454056), (20, 4090542), (24, 3408785), (30, 2727028), (40, 2045271), (60, 1363514), (103, 794280), (120, 681757), (206, 397140), (309, 264760), (412, 198570), (515, 158856), (618, 132380), (824, 99285), (1030, 79428), (1236, 66190), (1545, 52952), (2060, 39714), (2472, 33095), (3090, 26476), (4120, 19857), (6180, 13238), (6619, 12360)]