68808320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{15359}}^1$

素因数の和:15385

約数の個数: 64

約数和(自身を含む): 188006400

約数和(自身を除く): 119198080

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, 15359, 30718, 61436, 76795, 107513, 122872, 153590, 215026, 245744, 307180, 430052, 491488, 537565, 614360, 860104, 982976, 1075130, 1228720, 1720208, 1965952, 2150260, 2457440, 3440416, 4300520, 4914880, 6880832, 8601040, 9829760, 13761664, 17202080, 34404160, 68808320]

約数ペア:

[(1, 68808320), (2, 34404160), (4, 17202080), (5, 13761664), (7, 9829760), (8, 8601040), (10, 6880832), (14, 4914880), (16, 4300520), (20, 3440416), (28, 2457440), (32, 2150260), (35, 1965952), (40, 1720208), (56, 1228720), (64, 1075130), (70, 982976), (80, 860104), (112, 614360), (128, 537565), (140, 491488), (160, 430052), (224, 307180), (280, 245744), (320, 215026), (448, 153590), (560, 122872), (640, 107513), (896, 76795), (1120, 61436), (2240, 30718), (4480, 15359)]