127378260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9967}}^1$

素因数の和:10053

約数の個数: 72

約数和(自身を含む): 391862016

約数和(自身を除く): 264483756

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, 1420, 2130, 2556, 3195, 4260, 6390, 9967, 12780, 19934, 29901, 39868, 49835, 59802, 89703, 99670, 119604, 149505, 179406, 199340, 299010, 358812, 448515, 598020, 707657, 897030, 1415314, 1794060, 2122971, 2830628, 3538285, 4245942, 6368913, 7076570, 8491884, 10614855, 12737826, 14153140, 21229710, 25475652, 31844565, 42459420, 63689130, 127378260]

約数ペア:

[(1, 127378260), (2, 63689130), (3, 42459420), (4, 31844565), (5, 25475652), (6, 21229710), (9, 14153140), (10, 12737826), (12, 10614855), (15, 8491884), (18, 7076570), (20, 6368913), (30, 4245942), (36, 3538285), (45, 2830628), (60, 2122971), (71, 1794060), (90, 1415314), (142, 897030), (180, 707657), (213, 598020), (284, 448515), (355, 358812), (426, 299010), (639, 199340), (710, 179406), (852, 149505), (1065, 119604), (1278, 99670), (1420, 89703), (2130, 59802), (2556, 49835), (3195, 39868), (4260, 29901), (6390, 19934), (9967, 12780)]