67939872020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{9403}}^1$

素因数の和:9777

約数の個数: 96

約数和(自身を含む): 153563558400

約数和(自身を除く): 85623686380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 269, 316, 340, 395, 538, 790, 1076, 1343, 1345, 1580, 2686, 2690, 4573, 5372, 5380, 6715, 9146, 9403, 13430, 18292, 18806, 21251, 22865, 26860, 37612, 42502, 45730, 47015, 85004, 91460, 94030, 106255, 159851, 188060, 212510, 319702, 361267, 425020, 639404, 722534, 742837, 799255, 1445068, 1485674, 1598510, 1806335, 2529407, 2971348, 3197020, 3612670, 3714185, 5058814, 7225340, 7428370, 10117628, 12628229, 12647035, 14856740, 25256458, 25294070, 42999919, 50512916, 50588140, 63141145, 85999838, 126282290, 171999676, 199823153, 214999595, 252564580, 399646306, 429999190, 799292612, 859998380, 999115765, 1998231530, 3396993601, 3996463060, 6793987202, 13587974404, 16984968005, 33969936010, 67939872020]

約数ペア:

[(1, 67939872020), (2, 33969936010), (4, 16984968005), (5, 13587974404), (10, 6793987202), (17, 3996463060), (20, 3396993601), (34, 1998231530), (68, 999115765), (79, 859998380), (85, 799292612), (158, 429999190), (170, 399646306), (269, 252564580), (316, 214999595), (340, 199823153), (395, 171999676), (538, 126282290), (790, 85999838), (1076, 63141145), (1343, 50588140), (1345, 50512916), (1580, 42999919), (2686, 25294070), (2690, 25256458), (4573, 14856740), (5372, 12647035), (5380, 12628229), (6715, 10117628), (9146, 7428370), (9403, 7225340), (13430, 5058814), (18292, 3714185), (18806, 3612670), (21251, 3197020), (22865, 2971348), (26860, 2529407), (37612, 1806335), (42502, 1598510), (45730, 1485674), (47015, 1445068), (85004, 799255), (91460, 742837), (94030, 722534), (106255, 639404), (159851, 425020), (188060, 361267), (212510, 319702)]