81767550080

素因数分解:

$2^7\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{103787}}^1$

素因数の和:105037

約数の個数: 64

約数和(自身を含む): 195636228480

約数和(自身を除く): 113868678400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1231, 2462, 4924, 6155, 9848, 12310, 19696, 24620, 39392, 49240, 78784, 98480, 103787, 157568, 196960, 207574, 393920, 415148, 518935, 787840, 830296, 1037870, 1660592, 2075740, 3321184, 4151480, 6642368, 8302960, 13284736, 16605920, 33211840, 66423680, 127761797, 255523594, 511047188, 638808985, 1022094376, 1277617970, 2044188752, 2555235940, 4088377504, 5110471880, 8176755008, 10220943760, 16353510016, 20441887520, 40883775040, 81767550080]

約数ペア:

[(1, 81767550080), (2, 40883775040), (4, 20441887520), (5, 16353510016), (8, 10220943760), (10, 8176755008), (16, 5110471880), (20, 4088377504), (32, 2555235940), (40, 2044188752), (64, 1277617970), (80, 1022094376), (128, 638808985), (160, 511047188), (320, 255523594), (640, 127761797), (1231, 66423680), (2462, 33211840), (4924, 16605920), (6155, 13284736), (9848, 8302960), (12310, 6642368), (19696, 4151480), (24620, 3321184), (39392, 2075740), (49240, 1660592), (78784, 1037870), (98480, 830296), (103787, 787840), (157568, 518935), (196960, 415148), (207574, 393920)]