12642870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 32223744

約数和(自身を除く): 19580874

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 73, 115, 138, 146, 219, 230, 251, 345, 365, 438, 502, 690, 730, 753, 1095, 1255, 1506, 1679, 2190, 2510, 3358, 3765, 5037, 5773, 7530, 8395, 10074, 11546, 16790, 17319, 18323, 25185, 28865, 34638, 36646, 50370, 54969, 57730, 86595, 91615, 109938, 173190, 183230, 274845, 421429, 549690, 842858, 1264287, 2107145, 2528574, 4214290, 6321435, 12642870]

約数ペア:

[(1, 12642870), (2, 6321435), (3, 4214290), (5, 2528574), (6, 2107145), (10, 1264287), (15, 842858), (23, 549690), (30, 421429), (46, 274845), (69, 183230), (73, 173190), (115, 109938), (138, 91615), (146, 86595), (219, 57730), (230, 54969), (251, 50370), (345, 36646), (365, 34638), (438, 28865), (502, 25185), (690, 18323), (730, 17319), (753, 16790), (1095, 11546), (1255, 10074), (1506, 8395), (1679, 7530), (2190, 5773), (2510, 5037), (3358, 3765)]