16626780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1387

約数の個数: 72

約数和(自身を含む): 51184224

約数和(自身を除く): 34557444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1301, 1420, 2130, 2556, 2602, 3195, 3903, 4260, 5204, 6390, 6505, 7806, 11709, 12780, 13010, 15612, 19515, 23418, 26020, 39030, 46836, 58545, 78060, 92371, 117090, 184742, 234180, 277113, 369484, 461855, 554226, 831339, 923710, 1108452, 1385565, 1662678, 1847420, 2771130, 3325356, 4156695, 5542260, 8313390, 16626780]

約数ペア:

[(1, 16626780), (2, 8313390), (3, 5542260), (4, 4156695), (5, 3325356), (6, 2771130), (9, 1847420), (10, 1662678), (12, 1385565), (15, 1108452), (18, 923710), (20, 831339), (30, 554226), (36, 461855), (45, 369484), (60, 277113), (71, 234180), (90, 184742), (142, 117090), (180, 92371), (213, 78060), (284, 58545), (355, 46836), (426, 39030), (639, 26020), (710, 23418), (852, 19515), (1065, 15612), (1278, 13010), (1301, 12780), (1420, 11709), (2130, 7806), (2556, 6505), (2602, 6390), (3195, 5204), (3903, 4260)]