80437680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2377}}^1$

素因数の和:2443

約数の個数: 120

約数和(自身を含む): 276000192

約数和(自身を除く): 195562512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 120, 141, 144, 180, 188, 235, 240, 282, 360, 376, 423, 470, 564, 705, 720, 752, 846, 940, 1128, 1410, 1692, 1880, 2115, 2256, 2377, 2820, 3384, 3760, 4230, 4754, 5640, 6768, 7131, 8460, 9508, 11280, 11885, 14262, 16920, 19016, 21393, 23770, 28524, 33840, 35655, 38032, 42786, 47540, 57048, 71310, 85572, 95080, 106965, 111719, 114096, 142620, 171144, 190160, 213930, 223438, 285240, 335157, 342288, 427860, 446876, 558595, 570480, 670314, 855720, 893752, 1005471, 1117190, 1340628, 1675785, 1711440, 1787504, 2010942, 2234380, 2681256, 3351570, 4021884, 4468760, 5027355, 5362512, 6703140, 8043768, 8937520, 10054710, 13406280, 16087536, 20109420, 26812560, 40218840, 80437680]

約数ペア:

[(1, 80437680), (2, 40218840), (3, 26812560), (4, 20109420), (5, 16087536), (6, 13406280), (8, 10054710), (9, 8937520), (10, 8043768), (12, 6703140), (15, 5362512), (16, 5027355), (18, 4468760), (20, 4021884), (24, 3351570), (30, 2681256), (36, 2234380), (40, 2010942), (45, 1787504), (47, 1711440), (48, 1675785), (60, 1340628), (72, 1117190), (80, 1005471), (90, 893752), (94, 855720), (120, 670314), (141, 570480), (144, 558595), (180, 446876), (188, 427860), (235, 342288), (240, 335157), (282, 285240), (360, 223438), (376, 213930), (423, 190160), (470, 171144), (564, 142620), (705, 114096), (720, 111719), (752, 106965), (846, 95080), (940, 85572), (1128, 71310), (1410, 57048), (1692, 47540), (1880, 42786), (2115, 38032), (2256, 35655), (2377, 33840), (2820, 28524), (3384, 23770), (3760, 21393), (4230, 19016), (4754, 16920), (5640, 14262), (6768, 11885), (7131, 11280), (8460, 9508)]