64915440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1373}}^1$

素因数の和:1586

約数の個数: 80

約数和(自身を含む): 202406688

約数和(自身を除く): 137491248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1373, 1576, 1970, 2364, 2746, 2955, 3152, 3940, 4119, 4728, 5492, 5910, 6865, 7880, 8238, 9456, 10984, 11820, 13730, 15760, 16476, 20595, 21968, 23640, 27460, 32952, 41190, 47280, 54920, 65904, 82380, 109840, 164760, 270481, 329520, 540962, 811443, 1081924, 1352405, 1622886, 2163848, 2704810, 3245772, 4057215, 4327696, 5409620, 6491544, 8114430, 10819240, 12983088, 16228860, 21638480, 32457720, 64915440]

約数ペア:

[(1, 64915440), (2, 32457720), (3, 21638480), (4, 16228860), (5, 12983088), (6, 10819240), (8, 8114430), (10, 6491544), (12, 5409620), (15, 4327696), (16, 4057215), (20, 3245772), (24, 2704810), (30, 2163848), (40, 1622886), (48, 1352405), (60, 1081924), (80, 811443), (120, 540962), (197, 329520), (240, 270481), (394, 164760), (591, 109840), (788, 82380), (985, 65904), (1182, 54920), (1373, 47280), (1576, 41190), (1970, 32952), (2364, 27460), (2746, 23640), (2955, 21968), (3152, 20595), (3940, 16476), (4119, 15760), (4728, 13730), (5492, 11820), (5910, 10984), (6865, 9456), (7880, 8238)]