68748160

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8263}}^1$

素因数の和:8295

約数の個数: 64

約数和(自身を含む): 177014880

約数和(自身を除く): 108266720

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, 8263, 8320, 16526, 33052, 41315, 66104, 82630, 107419, 132208, 165260, 214838, 264416, 330520, 429676, 528832, 537095, 661040, 859352, 1057664, 1074190, 1322080, 1718704, 2148380, 2644160, 3437408, 4296760, 5288320, 6874816, 8593520, 13749632, 17187040, 34374080, 68748160]

約数ペア:

[(1, 68748160), (2, 34374080), (4, 17187040), (5, 13749632), (8, 8593520), (10, 6874816), (13, 5288320), (16, 4296760), (20, 3437408), (26, 2644160), (32, 2148380), (40, 1718704), (52, 1322080), (64, 1074190), (65, 1057664), (80, 859352), (104, 661040), (128, 537095), (130, 528832), (160, 429676), (208, 330520), (260, 264416), (320, 214838), (416, 165260), (520, 132208), (640, 107419), (832, 82630), (1040, 66104), (1664, 41315), (2080, 33052), (4160, 16526), (8263, 8320)]