77864320

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1367}}^1$

素因数の和:1475

約数の個数: 64

約数和(自身を含む): 188373600

約数和(自身を除く): 110509280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1367, 1424, 1780, 2734, 2848, 3560, 5468, 5696, 6835, 7120, 10936, 11392, 13670, 14240, 21872, 27340, 28480, 43744, 54680, 56960, 87488, 109360, 121663, 174976, 218720, 243326, 437440, 486652, 608315, 874880, 973304, 1216630, 1946608, 2433260, 3893216, 4866520, 7786432, 9733040, 15572864, 19466080, 38932160, 77864320]

約数ペア:

[(1, 77864320), (2, 38932160), (4, 19466080), (5, 15572864), (8, 9733040), (10, 7786432), (16, 4866520), (20, 3893216), (32, 2433260), (40, 1946608), (64, 1216630), (80, 973304), (89, 874880), (128, 608315), (160, 486652), (178, 437440), (320, 243326), (356, 218720), (445, 174976), (640, 121663), (712, 109360), (890, 87488), (1367, 56960), (1424, 54680), (1780, 43744), (2734, 28480), (2848, 27340), (3560, 21872), (5468, 14240), (5696, 13670), (6835, 11392), (7120, 10936)]