1285221888

素因数分解:

$2^9\times 3^2\times {\mathrm{278911}}^1$

素因数の和:278935

約数の個数: 60

約数和(自身を含む): 3709250688

約数和(自身を除く): 2424028800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4608, 278911, 557822, 836733, 1115644, 1673466, 2231288, 2510199, 3346932, 4462576, 5020398, 6693864, 8925152, 10040796, 13387728, 17850304, 20081592, 26775456, 35700608, 40163184, 53550912, 71401216, 80326368, 107101824, 142802432, 160652736, 214203648, 321305472, 428407296, 642610944, 1285221888]

約数ペア:

[(1, 1285221888), (2, 642610944), (3, 428407296), (4, 321305472), (6, 214203648), (8, 160652736), (9, 142802432), (12, 107101824), (16, 80326368), (18, 71401216), (24, 53550912), (32, 40163184), (36, 35700608), (48, 26775456), (64, 20081592), (72, 17850304), (96, 13387728), (128, 10040796), (144, 8925152), (192, 6693864), (256, 5020398), (288, 4462576), (384, 3346932), (512, 2510199), (576, 2231288), (768, 1673466), (1152, 1115644), (1536, 836733), (2304, 557822), (4608, 278911)]