1318860

素因数分解:

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

素因数の和:463

約数の個数: 72

約数和(自身を含む): 4245696

約数和(自身を除く): 2926836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 431, 510, 612, 765, 862, 1020, 1293, 1530, 1724, 2155, 2586, 3060, 3879, 4310, 5172, 6465, 7327, 7758, 8620, 12930, 14654, 15516, 19395, 21981, 25860, 29308, 36635, 38790, 43962, 65943, 73270, 77580, 87924, 109905, 131886, 146540, 219810, 263772, 329715, 439620, 659430, 1318860]

約数ペア:

[(1, 1318860), (2, 659430), (3, 439620), (4, 329715), (5, 263772), (6, 219810), (9, 146540), (10, 131886), (12, 109905), (15, 87924), (17, 77580), (18, 73270), (20, 65943), (30, 43962), (34, 38790), (36, 36635), (45, 29308), (51, 25860), (60, 21981), (68, 19395), (85, 15516), (90, 14654), (102, 12930), (153, 8620), (170, 7758), (180, 7327), (204, 6465), (255, 5172), (306, 4310), (340, 3879), (431, 3060), (510, 2586), (612, 2155), (765, 1724), (862, 1530), (1020, 1293)]