64794420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2011}}^1$

素因数の和:2205

約数の個数: 72

約数和(自身を含む): 197739360

約数和(自身を除く): 132944940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1611, 1790, 2011, 2148, 2685, 3222, 3580, 4022, 5370, 6033, 6444, 8044, 8055, 10055, 10740, 12066, 16110, 18099, 20110, 24132, 30165, 32220, 36198, 40220, 60330, 72396, 90495, 120660, 180990, 359969, 361980, 719938, 1079907, 1439876, 1799845, 2159814, 3239721, 3599690, 4319628, 5399535, 6479442, 7199380, 10799070, 12958884, 16198605, 21598140, 32397210, 64794420]

約数ペア:

[(1, 64794420), (2, 32397210), (3, 21598140), (4, 16198605), (5, 12958884), (6, 10799070), (9, 7199380), (10, 6479442), (12, 5399535), (15, 4319628), (18, 3599690), (20, 3239721), (30, 2159814), (36, 1799845), (45, 1439876), (60, 1079907), (90, 719938), (179, 361980), (180, 359969), (358, 180990), (537, 120660), (716, 90495), (895, 72396), (1074, 60330), (1611, 40220), (1790, 36198), (2011, 32220), (2148, 30165), (2685, 24132), (3222, 20110), (3580, 18099), (4022, 16110), (5370, 12066), (6033, 10740), (6444, 10055), (8044, 8055)]