88779440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2251}}^1$

素因数の和:2310

約数の個数: 80

約数和(自身を含む): 226190880

約数和(自身を除く): 137411440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1972, 2251, 2320, 2465, 3944, 4502, 4930, 7888, 9004, 9860, 11255, 18008, 19720, 22510, 36016, 38267, 39440, 45020, 65279, 76534, 90040, 130558, 153068, 180080, 191335, 261116, 306136, 326395, 382670, 522232, 612272, 652790, 765340, 1044464, 1109743, 1305580, 1530680, 2219486, 2611160, 3061360, 4438972, 5222320, 5548715, 8877944, 11097430, 17755888, 22194860, 44389720, 88779440]

約数ペア:

[(1, 88779440), (2, 44389720), (4, 22194860), (5, 17755888), (8, 11097430), (10, 8877944), (16, 5548715), (17, 5222320), (20, 4438972), (29, 3061360), (34, 2611160), (40, 2219486), (58, 1530680), (68, 1305580), (80, 1109743), (85, 1044464), (116, 765340), (136, 652790), (145, 612272), (170, 522232), (232, 382670), (272, 326395), (290, 306136), (340, 261116), (464, 191335), (493, 180080), (580, 153068), (680, 130558), (986, 90040), (1160, 76534), (1360, 65279), (1972, 45020), (2251, 39440), (2320, 38267), (2465, 36016), (3944, 22510), (4502, 19720), (4930, 18008), (7888, 11255), (9004, 9860)]