161480340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{128159}}^1$

素因数の和:128181

約数の個数: 72

約数和(自身を含む): 559802880

約数和(自身を除く): 398322540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 128159, 256318, 384477, 512636, 640795, 768954, 897113, 1153431, 1281590, 1537908, 1794226, 1922385, 2306862, 2563180, 2691339, 3588452, 3844770, 4485565, 4613724, 5382678, 5767155, 7689540, 8074017, 8971130, 10765356, 11534310, 13456695, 16148034, 17942260, 23068620, 26913390, 32296068, 40370085, 53826780, 80740170, 161480340]

約数ペア:

[(1, 161480340), (2, 80740170), (3, 53826780), (4, 40370085), (5, 32296068), (6, 26913390), (7, 23068620), (9, 17942260), (10, 16148034), (12, 13456695), (14, 11534310), (15, 10765356), (18, 8971130), (20, 8074017), (21, 7689540), (28, 5767155), (30, 5382678), (35, 4613724), (36, 4485565), (42, 3844770), (45, 3588452), (60, 2691339), (63, 2563180), (70, 2306862), (84, 1922385), (90, 1794226), (105, 1537908), (126, 1281590), (140, 1153431), (180, 897113), (210, 768954), (252, 640795), (315, 512636), (420, 384477), (630, 256318), (1260, 128159)]