64710640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 157489920

約数和(自身を除く): 92779280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 124, 155, 194, 248, 269, 310, 388, 485, 496, 538, 620, 776, 970, 1076, 1240, 1345, 1552, 1940, 2152, 2480, 2690, 3007, 3880, 4304, 5380, 6014, 7760, 8339, 10760, 12028, 15035, 16678, 21520, 24056, 26093, 30070, 33356, 41695, 48112, 52186, 60140, 66712, 83390, 104372, 120280, 130465, 133424, 166780, 208744, 240560, 260930, 333560, 417488, 521860, 667120, 808883, 1043720, 1617766, 2087440, 3235532, 4044415, 6471064, 8088830, 12942128, 16177660, 32355320, 64710640]

約数ペア:

[(1, 64710640), (2, 32355320), (4, 16177660), (5, 12942128), (8, 8088830), (10, 6471064), (16, 4044415), (20, 3235532), (31, 2087440), (40, 1617766), (62, 1043720), (80, 808883), (97, 667120), (124, 521860), (155, 417488), (194, 333560), (248, 260930), (269, 240560), (310, 208744), (388, 166780), (485, 133424), (496, 130465), (538, 120280), (620, 104372), (776, 83390), (970, 66712), (1076, 60140), (1240, 52186), (1345, 48112), (1552, 41695), (1940, 33356), (2152, 30070), (2480, 26093), (2690, 24056), (3007, 21520), (3880, 16678), (4304, 15035), (5380, 12028), (6014, 10760), (7760, 8339)]