81906240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6563}}^1$

素因数の和:6596

約数の個数: 112

約数和(自身を含む): 280099008

約数和(自身を除く): 198192768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 6563, 12480, 13126, 19689, 26252, 32815, 39378, 52504, 65630, 78756, 85319, 98445, 105008, 131260, 157512, 170638, 196890, 210016, 255957, 262520, 315024, 341276, 393780, 420032, 426595, 511914, 525040, 630048, 682552, 787560, 853190, 1023828, 1050080, 1260096, 1279785, 1365104, 1575120, 1706380, 2047656, 2100160, 2559570, 2730208, 3150240, 3412760, 4095312, 5119140, 5460416, 6300480, 6825520, 8190624, 10238280, 13651040, 16381248, 20476560, 27302080, 40953120, 81906240]

約数ペア:

[(1, 81906240), (2, 40953120), (3, 27302080), (4, 20476560), (5, 16381248), (6, 13651040), (8, 10238280), (10, 8190624), (12, 6825520), (13, 6300480), (15, 5460416), (16, 5119140), (20, 4095312), (24, 3412760), (26, 3150240), (30, 2730208), (32, 2559570), (39, 2100160), (40, 2047656), (48, 1706380), (52, 1575120), (60, 1365104), (64, 1279785), (65, 1260096), (78, 1050080), (80, 1023828), (96, 853190), (104, 787560), (120, 682552), (130, 630048), (156, 525040), (160, 511914), (192, 426595), (195, 420032), (208, 393780), (240, 341276), (260, 315024), (312, 262520), (320, 255957), (390, 210016), (416, 196890), (480, 170638), (520, 157512), (624, 131260), (780, 105008), (832, 98445), (960, 85319), (1040, 78756), (1248, 65630), (1560, 52504), (2080, 39378), (2496, 32815), (3120, 26252), (4160, 19689), (6240, 13126), (6563, 12480)]