64634920

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{673}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 169908660

約数和(自身を除く): 105273740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 673, 686, 980, 1346, 1372, 1715, 1960, 2401, 2692, 2744, 3365, 3430, 4711, 4802, 5384, 6730, 6860, 9422, 9604, 12005, 13460, 13720, 18844, 19208, 23555, 24010, 26920, 32977, 37688, 47110, 48020, 65954, 94220, 96040, 131908, 164885, 188440, 230839, 263816, 329770, 461678, 659540, 923356, 1154195, 1319080, 1615873, 1846712, 2308390, 3231746, 4616780, 6463492, 8079365, 9233560, 12926984, 16158730, 32317460, 64634920]

約数ペア:

[(1, 64634920), (2, 32317460), (4, 16158730), (5, 12926984), (7, 9233560), (8, 8079365), (10, 6463492), (14, 4616780), (20, 3231746), (28, 2308390), (35, 1846712), (40, 1615873), (49, 1319080), (56, 1154195), (70, 923356), (98, 659540), (140, 461678), (196, 329770), (245, 263816), (280, 230839), (343, 188440), (392, 164885), (490, 131908), (673, 96040), (686, 94220), (980, 65954), (1346, 48020), (1372, 47110), (1715, 37688), (1960, 32977), (2401, 26920), (2692, 24010), (2744, 23555), (3365, 19208), (3430, 18844), (4711, 13720), (4802, 13460), (5384, 12005), (6730, 9604), (6860, 9422)]