67937940

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{1997}}^1$

素因数の和:2028

約数の個数: 144

約数和(自身を含む): 244363392

約数和(自身を除く): 176425452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 1997, 2268, 2430, 2835, 3402, 3780, 3994, 4860, 5670, 5991, 6804, 7988, 8505, 9985, 11340, 11982, 13979, 17010, 17973, 19970, 23964, 27958, 29955, 34020, 35946, 39940, 41937, 53919, 55916, 59910, 69895, 71892, 83874, 89865, 107838, 119820, 125811, 139790, 161757, 167748, 179730, 209685, 215676, 251622, 269595, 279580, 323514, 359460, 377433, 419370, 485271, 503244, 539190, 629055, 647028, 754866, 808785, 838740, 970542, 1078380, 1132299, 1258110, 1509732, 1617570, 1887165, 1941084, 2264598, 2426355, 2516220, 3235140, 3396897, 3774330, 4529196, 4852710, 5661495, 6793794, 7548660, 9705420, 11322990, 13587588, 16984485, 22645980, 33968970, 67937940]

約数ペア:

[(1, 67937940), (2, 33968970), (3, 22645980), (4, 16984485), (5, 13587588), (6, 11322990), (7, 9705420), (9, 7548660), (10, 6793794), (12, 5661495), (14, 4852710), (15, 4529196), (18, 3774330), (20, 3396897), (21, 3235140), (27, 2516220), (28, 2426355), (30, 2264598), (35, 1941084), (36, 1887165), (42, 1617570), (45, 1509732), (54, 1258110), (60, 1132299), (63, 1078380), (70, 970542), (81, 838740), (84, 808785), (90, 754866), (105, 647028), (108, 629055), (126, 539190), (135, 503244), (140, 485271), (162, 419370), (180, 377433), (189, 359460), (210, 323514), (243, 279580), (252, 269595), (270, 251622), (315, 215676), (324, 209685), (378, 179730), (405, 167748), (420, 161757), (486, 139790), (540, 125811), (567, 119820), (630, 107838), (756, 89865), (810, 83874), (945, 71892), (972, 69895), (1134, 59910), (1215, 55916), (1260, 53919), (1620, 41937), (1701, 39940), (1890, 35946), (1997, 34020), (2268, 29955), (2430, 27958), (2835, 23964), (3402, 19970), (3780, 17973), (3994, 17010), (4860, 13979), (5670, 11982), (5991, 11340), (6804, 9985), (7988, 8505)]