12945090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 32990976

約数和(自身を除く): 20045886

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 73, 115, 138, 146, 219, 230, 257, 345, 365, 438, 514, 690, 730, 771, 1095, 1285, 1542, 1679, 2190, 2570, 3358, 3855, 5037, 5911, 7710, 8395, 10074, 11822, 16790, 17733, 18761, 25185, 29555, 35466, 37522, 50370, 56283, 59110, 88665, 93805, 112566, 177330, 187610, 281415, 431503, 562830, 863006, 1294509, 2157515, 2589018, 4315030, 6472545, 12945090]

約数ペア:

[(1, 12945090), (2, 6472545), (3, 4315030), (5, 2589018), (6, 2157515), (10, 1294509), (15, 863006), (23, 562830), (30, 431503), (46, 281415), (69, 187610), (73, 177330), (115, 112566), (138, 93805), (146, 88665), (219, 59110), (230, 56283), (257, 50370), (345, 37522), (365, 35466), (438, 29555), (514, 25185), (690, 18761), (730, 17733), (771, 16790), (1095, 11822), (1285, 10074), (1542, 8395), (1679, 7710), (2190, 5911), (2570, 5037), (3358, 3855)]