1279462840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{16651}}^1$

素因数の和:16792

約数の個数: 64

約数和(自身を含む): 3075291360

約数和(自身を除く): 1795828520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 113, 136, 170, 226, 340, 452, 565, 680, 904, 1130, 1921, 2260, 3842, 4520, 7684, 9605, 15368, 16651, 19210, 33302, 38420, 66604, 76840, 83255, 133208, 166510, 283067, 333020, 566134, 666040, 1132268, 1415335, 1881563, 2264536, 2830670, 3763126, 5661340, 7526252, 9407815, 11322680, 15052504, 18815630, 31986571, 37631260, 63973142, 75262520, 127946284, 159932855, 255892568, 319865710, 639731420, 1279462840]

約数ペア:

[(1, 1279462840), (2, 639731420), (4, 319865710), (5, 255892568), (8, 159932855), (10, 127946284), (17, 75262520), (20, 63973142), (34, 37631260), (40, 31986571), (68, 18815630), (85, 15052504), (113, 11322680), (136, 9407815), (170, 7526252), (226, 5661340), (340, 3763126), (452, 2830670), (565, 2264536), (680, 1881563), (904, 1415335), (1130, 1132268), (1921, 666040), (2260, 566134), (3842, 333020), (4520, 283067), (7684, 166510), (9605, 133208), (15368, 83255), (16651, 76840), (19210, 66604), (33302, 38420)]