1971121320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{782191}}^1$

素因数の和:782215

約数の個数: 96

約数和(自身を含む): 7321317120

約数和(自身を除く): 5350195800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 782191, 1564382, 2346573, 3128764, 3910955, 4693146, 5475337, 6257528, 7039719, 7821910, 9386292, 10950674, 11732865, 14079438, 15643820, 16426011, 18772584, 21901348, 23465730, 27376685, 28158876, 31287640, 32852022, 35198595, 43802696, 46931460, 49278033, 54753370, 56317752, 65704044, 70397190, 82130055, 93862920, 98556066, 109506740, 131408088, 140794380, 164260110, 197112132, 219013480, 246390165, 281588760, 328520220, 394224264, 492780330, 657040440, 985560660, 1971121320]

約数ペア:

[(1, 1971121320), (2, 985560660), (3, 657040440), (4, 492780330), (5, 394224264), (6, 328520220), (7, 281588760), (8, 246390165), (9, 219013480), (10, 197112132), (12, 164260110), (14, 140794380), (15, 131408088), (18, 109506740), (20, 98556066), (21, 93862920), (24, 82130055), (28, 70397190), (30, 65704044), (35, 56317752), (36, 54753370), (40, 49278033), (42, 46931460), (45, 43802696), (56, 35198595), (60, 32852022), (63, 31287640), (70, 28158876), (72, 27376685), (84, 23465730), (90, 21901348), (105, 18772584), (120, 16426011), (126, 15643820), (140, 14079438), (168, 11732865), (180, 10950674), (210, 9386292), (252, 7821910), (280, 7039719), (315, 6257528), (360, 5475337), (420, 4693146), (504, 3910955), (630, 3128764), (840, 2346573), (1260, 1564382), (2520, 782191)]