21717720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6703}}^1$

素因数の和:6726

約数の個数: 80

約数和(自身を含む): 73006560

約数和(自身を除く): 51288840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6703, 13406, 20109, 26812, 33515, 40218, 53624, 60327, 67030, 80436, 100545, 120654, 134060, 160872, 180981, 201090, 241308, 268120, 301635, 361962, 402180, 482616, 542943, 603270, 723924, 804360, 904905, 1085886, 1206540, 1447848, 1809810, 2171772, 2413080, 2714715, 3619620, 4343544, 5429430, 7239240, 10858860, 21717720]

約数ペア:

[(1, 21717720), (2, 10858860), (3, 7239240), (4, 5429430), (5, 4343544), (6, 3619620), (8, 2714715), (9, 2413080), (10, 2171772), (12, 1809810), (15, 1447848), (18, 1206540), (20, 1085886), (24, 904905), (27, 804360), (30, 723924), (36, 603270), (40, 542943), (45, 482616), (54, 402180), (60, 361962), (72, 301635), (81, 268120), (90, 241308), (108, 201090), (120, 180981), (135, 160872), (162, 134060), (180, 120654), (216, 100545), (270, 80436), (324, 67030), (360, 60327), (405, 53624), (540, 40218), (648, 33515), (810, 26812), (1080, 20109), (1620, 13406), (3240, 6703)]