17818920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2357}}^1$

素因数の和:2384

約数の個数: 128

約数和(自身を含む): 67910400

約数和(自身を除く): 50091480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2357, 2520, 3780, 4714, 7071, 7560, 9428, 11785, 14142, 16499, 18856, 21213, 23570, 28284, 32998, 35355, 42426, 47140, 49497, 56568, 63639, 65996, 70710, 82495, 84852, 94280, 98994, 106065, 127278, 131992, 141420, 148491, 164990, 169704, 197988, 212130, 247485, 254556, 282840, 296982, 318195, 329980, 395976, 424260, 445473, 494970, 509112, 593964, 636390, 659960, 742455, 848520, 890946, 989940, 1187928, 1272780, 1484910, 1781892, 1979880, 2227365, 2545560, 2969820, 3563784, 4454730, 5939640, 8909460, 17818920]

約数ペア:

[(1, 17818920), (2, 8909460), (3, 5939640), (4, 4454730), (5, 3563784), (6, 2969820), (7, 2545560), (8, 2227365), (9, 1979880), (10, 1781892), (12, 1484910), (14, 1272780), (15, 1187928), (18, 989940), (20, 890946), (21, 848520), (24, 742455), (27, 659960), (28, 636390), (30, 593964), (35, 509112), (36, 494970), (40, 445473), (42, 424260), (45, 395976), (54, 329980), (56, 318195), (60, 296982), (63, 282840), (70, 254556), (72, 247485), (84, 212130), (90, 197988), (105, 169704), (108, 164990), (120, 148491), (126, 141420), (135, 131992), (140, 127278), (168, 106065), (180, 98994), (189, 94280), (210, 84852), (216, 82495), (252, 70710), (270, 65996), (280, 63639), (315, 56568), (360, 49497), (378, 47140), (420, 42426), (504, 35355), (540, 32998), (630, 28284), (756, 23570), (840, 21213), (945, 18856), (1080, 16499), (1260, 14142), (1512, 11785), (1890, 9428), (2357, 7560), (2520, 7071), (3780, 4714)]