19906665720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{443}}^1\times {\mathrm{853}}^1$

素因数の和:1749

約数の個数: 128

約数和(自身を含む): 60061478400

約数和(自身を除く): 40154812680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 439, 443, 853, 878, 886, 1317, 1329, 1706, 1756, 1772, 2195, 2215, 2559, 2634, 2658, 3412, 3512, 3544, 4265, 4390, 4430, 5118, 5268, 5316, 6585, 6645, 6824, 8530, 8780, 8860, 10236, 10536, 10632, 12795, 13170, 13290, 17060, 17560, 17720, 20472, 25590, 26340, 26580, 34120, 51180, 52680, 53160, 102360, 194477, 374467, 377879, 388954, 583431, 748934, 755758, 777908, 972385, 1123401, 1133637, 1166862, 1497868, 1511516, 1555816, 1872335, 1889395, 1944770, 2246802, 2267274, 2333724, 2917155, 2995736, 3023032, 3744670, 3778790, 3889540, 4493604, 4534548, 4667448, 5617005, 5668185, 5834310, 7489340, 7557580, 7779080, 8987208, 9069096, 11234010, 11336370, 11668620, 14978680, 15115160, 22468020, 22672740, 23337240, 44936040, 45345480, 165888881, 331777762, 497666643, 663555524, 829444405, 995333286, 1327111048, 1658888810, 1990666572, 2488333215, 3317777620, 3981333144, 4976666430, 6635555240, 9953332860, 19906665720]

約数ペア:

[(1, 19906665720), (2, 9953332860), (3, 6635555240), (4, 4976666430), (5, 3981333144), (6, 3317777620), (8, 2488333215), (10, 1990666572), (12, 1658888810), (15, 1327111048), (20, 995333286), (24, 829444405), (30, 663555524), (40, 497666643), (60, 331777762), (120, 165888881), (439, 45345480), (443, 44936040), (853, 23337240), (878, 22672740), (886, 22468020), (1317, 15115160), (1329, 14978680), (1706, 11668620), (1756, 11336370), (1772, 11234010), (2195, 9069096), (2215, 8987208), (2559, 7779080), (2634, 7557580), (2658, 7489340), (3412, 5834310), (3512, 5668185), (3544, 5617005), (4265, 4667448), (4390, 4534548), (4430, 4493604), (5118, 3889540), (5268, 3778790), (5316, 3744670), (6585, 3023032), (6645, 2995736), (6824, 2917155), (8530, 2333724), (8780, 2267274), (8860, 2246802), (10236, 1944770), (10536, 1889395), (10632, 1872335), (12795, 1555816), (13170, 1511516), (13290, 1497868), (17060, 1166862), (17560, 1133637), (17720, 1123401), (20472, 972385), (25590, 777908), (26340, 755758), (26580, 748934), (34120, 583431), (51180, 388954), (52680, 377879), (53160, 374467), (102360, 194477)]