53826780

素因数分解:

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

素因数の和:128178

約数の個数: 48

約数和(自身を含む): 172247040

約数和(自身を除く): 118420260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 128159, 256318, 384477, 512636, 640795, 768954, 897113, 1281590, 1537908, 1794226, 1922385, 2563180, 2691339, 3588452, 3844770, 4485565, 5382678, 7689540, 8971130, 10765356, 13456695, 17942260, 26913390, 53826780]

約数ペア:

[(1, 53826780), (2, 26913390), (3, 17942260), (4, 13456695), (5, 10765356), (6, 8971130), (7, 7689540), (10, 5382678), (12, 4485565), (14, 3844770), (15, 3588452), (20, 2691339), (21, 2563180), (28, 1922385), (30, 1794226), (35, 1537908), (42, 1281590), (60, 897113), (70, 768954), (84, 640795), (105, 512636), (140, 384477), (210, 256318), (420, 128159)]