68581760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8243}}^1$

素因数の和:8275

約数の個数: 64

約数和(自身を含む): 176586480

約数和(自身を除く): 108004720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8243, 8320, 16486, 32972, 41215, 65944, 82430, 107159, 131888, 164860, 214318, 263776, 329720, 428636, 527552, 535795, 659440, 857272, 1055104, 1071590, 1318880, 1714544, 2143180, 2637760, 3429088, 4286360, 5275520, 6858176, 8572720, 13716352, 17145440, 34290880, 68581760]

約数ペア:

[(1, 68581760), (2, 34290880), (4, 17145440), (5, 13716352), (8, 8572720), (10, 6858176), (13, 5275520), (16, 4286360), (20, 3429088), (26, 2637760), (32, 2143180), (40, 1714544), (52, 1318880), (64, 1071590), (65, 1055104), (80, 857272), (104, 659440), (128, 535795), (130, 527552), (160, 428636), (208, 329720), (260, 263776), (320, 214318), (416, 164860), (520, 131888), (640, 107159), (832, 82430), (1040, 65944), (1664, 41215), (2080, 32972), (4160, 16486), (8243, 8320)]