17731980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{4691}}^1$

素因数の和:4716

約数の個数: 96

約数和(自身を含む): 63060480

約数和(自身を除く): 45328500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 4691, 9382, 14073, 18764, 23455, 28146, 32837, 42219, 46910, 56292, 65674, 70365, 84438, 93820, 98511, 126657, 131348, 140730, 164185, 168876, 197022, 211095, 253314, 281460, 295533, 328370, 394044, 422190, 492555, 506628, 591066, 633285, 656740, 844380, 886599, 985110, 1182132, 1266570, 1477665, 1773198, 1970220, 2533140, 2955330, 3546396, 4432995, 5910660, 8865990, 17731980]

約数ペア:

[(1, 17731980), (2, 8865990), (3, 5910660), (4, 4432995), (5, 3546396), (6, 2955330), (7, 2533140), (9, 1970220), (10, 1773198), (12, 1477665), (14, 1266570), (15, 1182132), (18, 985110), (20, 886599), (21, 844380), (27, 656740), (28, 633285), (30, 591066), (35, 506628), (36, 492555), (42, 422190), (45, 394044), (54, 328370), (60, 295533), (63, 281460), (70, 253314), (84, 211095), (90, 197022), (105, 168876), (108, 164185), (126, 140730), (135, 131348), (140, 126657), (180, 98511), (189, 93820), (210, 84438), (252, 70365), (270, 65674), (315, 56292), (378, 46910), (420, 42219), (540, 32837), (630, 28146), (756, 23455), (945, 18764), (1260, 14073), (1890, 9382), (3780, 4691)]