64911420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51517}}^1$

素因数の和:51539

約数の個数: 72

約数和(自身を含む): 225030624

約数和(自身を除く): 160119204

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, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 51517, 103034, 154551, 206068, 257585, 309102, 360619, 463653, 515170, 618204, 721238, 772755, 927306, 1030340, 1081857, 1442476, 1545510, 1803095, 1854612, 2163714, 2318265, 3091020, 3245571, 3606190, 4327428, 4636530, 5409285, 6491142, 7212380, 9273060, 10818570, 12982284, 16227855, 21637140, 32455710, 64911420]

約数ペア:

[(1, 64911420), (2, 32455710), (3, 21637140), (4, 16227855), (5, 12982284), (6, 10818570), (7, 9273060), (9, 7212380), (10, 6491142), (12, 5409285), (14, 4636530), (15, 4327428), (18, 3606190), (20, 3245571), (21, 3091020), (28, 2318265), (30, 2163714), (35, 1854612), (36, 1803095), (42, 1545510), (45, 1442476), (60, 1081857), (63, 1030340), (70, 927306), (84, 772755), (90, 721238), (105, 618204), (126, 515170), (140, 463653), (180, 360619), (210, 309102), (252, 257585), (315, 206068), (420, 154551), (630, 103034), (1260, 51517)]