77499520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17299}}^1$

素因数の和:17325

約数の個数: 64

約数和(自身を含む): 211752000

約数和(自身を除く): 134252480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 17299, 34598, 69196, 86495, 121093, 138392, 172990, 242186, 276784, 345980, 484372, 553568, 605465, 691960, 968744, 1107136, 1210930, 1383920, 1937488, 2214272, 2421860, 2767840, 3874976, 4843720, 5535680, 7749952, 9687440, 11071360, 15499904, 19374880, 38749760, 77499520]

約数ペア:

[(1, 77499520), (2, 38749760), (4, 19374880), (5, 15499904), (7, 11071360), (8, 9687440), (10, 7749952), (14, 5535680), (16, 4843720), (20, 3874976), (28, 2767840), (32, 2421860), (35, 2214272), (40, 1937488), (56, 1383920), (64, 1210930), (70, 1107136), (80, 968744), (112, 691960), (128, 605465), (140, 553568), (160, 484372), (224, 345980), (280, 276784), (320, 242186), (448, 172990), (560, 138392), (640, 121093), (896, 86495), (1120, 69196), (2240, 34598), (4480, 17299)]