1277329040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{94477}}^1$

素因数の和:94516

約数の個数: 60

約数和(自身を含む): 3215842164

約数和(自身を除く): 1938513124

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 94477, 188954, 377908, 472385, 755816, 944770, 1228201, 1511632, 1889540, 2456402, 3779080, 4912804, 6141005, 7558160, 9825608, 12282010, 15966613, 19651216, 24564020, 31933226, 49128040, 63866452, 79833065, 98256080, 127732904, 159666130, 255465808, 319332260, 638664520, 1277329040]

約数ペア:

[(1, 1277329040), (2, 638664520), (4, 319332260), (5, 255465808), (8, 159666130), (10, 127732904), (13, 98256080), (16, 79833065), (20, 63866452), (26, 49128040), (40, 31933226), (52, 24564020), (65, 19651216), (80, 15966613), (104, 12282010), (130, 9825608), (169, 7558160), (208, 6141005), (260, 4912804), (338, 3779080), (520, 2456402), (676, 1889540), (845, 1511632), (1040, 1228201), (1352, 944770), (1690, 755816), (2704, 472385), (3380, 377908), (6760, 188954), (13520, 94477)]