215307120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{128159}}^1$

素因数の和:128182

約数の個数: 80

約数和(自身を含む): 762808320

約数和(自身を除く): 547501200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 128159, 256318, 384477, 512636, 640795, 768954, 897113, 1025272, 1281590, 1537908, 1794226, 1922385, 2050544, 2563180, 2691339, 3075816, 3588452, 3844770, 4485565, 5126360, 5382678, 6151632, 7176904, 7689540, 8971130, 10252720, 10765356, 13456695, 14353808, 15379080, 17942260, 21530712, 26913390, 30758160, 35884520, 43061424, 53826780, 71769040, 107653560, 215307120]

約数ペア:

[(1, 215307120), (2, 107653560), (3, 71769040), (4, 53826780), (5, 43061424), (6, 35884520), (7, 30758160), (8, 26913390), (10, 21530712), (12, 17942260), (14, 15379080), (15, 14353808), (16, 13456695), (20, 10765356), (21, 10252720), (24, 8971130), (28, 7689540), (30, 7176904), (35, 6151632), (40, 5382678), (42, 5126360), (48, 4485565), (56, 3844770), (60, 3588452), (70, 3075816), (80, 2691339), (84, 2563180), (105, 2050544), (112, 1922385), (120, 1794226), (140, 1537908), (168, 1281590), (210, 1025272), (240, 897113), (280, 768954), (336, 640795), (420, 512636), (560, 384477), (840, 256318), (1680, 128159)]