63721980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:616

約数の個数: 144

約数和(自身を含む): 223501824

約数和(自身を除く): 159779844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 103, 105, 126, 140, 180, 206, 210, 252, 309, 315, 412, 420, 491, 515, 618, 630, 721, 927, 982, 1030, 1236, 1260, 1442, 1473, 1545, 1854, 1964, 2060, 2163, 2455, 2884, 2946, 3090, 3437, 3605, 3708, 4326, 4419, 4635, 4910, 5892, 6180, 6489, 6874, 7210, 7365, 8652, 8838, 9270, 9820, 10311, 10815, 12978, 13748, 14420, 14730, 17185, 17676, 18540, 20622, 21630, 22095, 25956, 29460, 30933, 32445, 34370, 41244, 43260, 44190, 50573, 51555, 61866, 64890, 68740, 88380, 101146, 103110, 123732, 129780, 151719, 154665, 202292, 206220, 252865, 303438, 309330, 354011, 455157, 505730, 606876, 618660, 708022, 758595, 910314, 1011460, 1062033, 1416044, 1517190, 1770055, 1820628, 2124066, 2275785, 3034380, 3186099, 3540110, 4248132, 4551570, 5310165, 6372198, 7080220, 9103140, 10620330, 12744396, 15930495, 21240660, 31860990, 63721980]

約数ペア:

[(1, 63721980), (2, 31860990), (3, 21240660), (4, 15930495), (5, 12744396), (6, 10620330), (7, 9103140), (9, 7080220), (10, 6372198), (12, 5310165), (14, 4551570), (15, 4248132), (18, 3540110), (20, 3186099), (21, 3034380), (28, 2275785), (30, 2124066), (35, 1820628), (36, 1770055), (42, 1517190), (45, 1416044), (60, 1062033), (63, 1011460), (70, 910314), (84, 758595), (90, 708022), (103, 618660), (105, 606876), (126, 505730), (140, 455157), (180, 354011), (206, 309330), (210, 303438), (252, 252865), (309, 206220), (315, 202292), (412, 154665), (420, 151719), (491, 129780), (515, 123732), (618, 103110), (630, 101146), (721, 88380), (927, 68740), (982, 64890), (1030, 61866), (1236, 51555), (1260, 50573), (1442, 44190), (1473, 43260), (1545, 41244), (1854, 34370), (1964, 32445), (2060, 30933), (2163, 29460), (2455, 25956), (2884, 22095), (2946, 21630), (3090, 20622), (3437, 18540), (3605, 17676), (3708, 17185), (4326, 14730), (4419, 14420), (4635, 13748), (4910, 12978), (5892, 10815), (6180, 10311), (6489, 9820), (6874, 9270), (7210, 8838), (7365, 8652)]