1978290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 5598720

約数和(自身を除く): 3620430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 431, 459, 510, 765, 862, 918, 1293, 1530, 2155, 2295, 2586, 3879, 4310, 4590, 6465, 7327, 7758, 11637, 12930, 14654, 19395, 21981, 23274, 36635, 38790, 43962, 58185, 65943, 73270, 109905, 116370, 131886, 197829, 219810, 329715, 395658, 659430, 989145, 1978290]

約数ペア:

[(1, 1978290), (2, 989145), (3, 659430), (5, 395658), (6, 329715), (9, 219810), (10, 197829), (15, 131886), (17, 116370), (18, 109905), (27, 73270), (30, 65943), (34, 58185), (45, 43962), (51, 38790), (54, 36635), (85, 23274), (90, 21981), (102, 19395), (135, 14654), (153, 12930), (170, 11637), (255, 7758), (270, 7327), (306, 6465), (431, 4590), (459, 4310), (510, 3879), (765, 2586), (862, 2295), (918, 2155), (1293, 1530)]