81903120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26251}}^1$

素因数の和:26280

約数の個数: 80

約数和(自身を含む): 273440832

約数和(自身を除く): 191537712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 26251, 52502, 78753, 105004, 131255, 157506, 210008, 262510, 315012, 341263, 393765, 420016, 525020, 630024, 682526, 787530, 1023789, 1050040, 1260048, 1365052, 1575060, 1706315, 2047578, 2100080, 2730104, 3150120, 3412630, 4095156, 5118945, 5460208, 6300240, 6825260, 8190312, 10237890, 13650520, 16380624, 20475780, 27301040, 40951560, 81903120]

約数ペア:

[(1, 81903120), (2, 40951560), (3, 27301040), (4, 20475780), (5, 16380624), (6, 13650520), (8, 10237890), (10, 8190312), (12, 6825260), (13, 6300240), (15, 5460208), (16, 5118945), (20, 4095156), (24, 3412630), (26, 3150120), (30, 2730104), (39, 2100080), (40, 2047578), (48, 1706315), (52, 1575060), (60, 1365052), (65, 1260048), (78, 1050040), (80, 1023789), (104, 787530), (120, 682526), (130, 630024), (156, 525020), (195, 420016), (208, 393765), (240, 341263), (260, 315012), (312, 262510), (390, 210008), (520, 157506), (624, 131255), (780, 105004), (1040, 78753), (1560, 52502), (3120, 26251)]