81994320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2423}}^1$

素因数の和:2489

約数の個数: 120

約数和(自身を含む): 281339136

約数和(自身を除く): 199344816

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, 2423, 2820, 3384, 3760, 4230, 4846, 5640, 6768, 7269, 8460, 9692, 11280, 12115, 14538, 16920, 19384, 21807, 24230, 29076, 33840, 36345, 38768, 43614, 48460, 58152, 72690, 87228, 96920, 109035, 113881, 116304, 145380, 174456, 193840, 218070, 227762, 290760, 341643, 348912, 436140, 455524, 569405, 581520, 683286, 872280, 911048, 1024929, 1138810, 1366572, 1708215, 1744560, 1822096, 2049858, 2277620, 2733144, 3416430, 4099716, 4555240, 5124645, 5466288, 6832860, 8199432, 9110480, 10249290, 13665720, 16398864, 20498580, 27331440, 40997160, 81994320]

約数ペア:

[(1, 81994320), (2, 40997160), (3, 27331440), (4, 20498580), (5, 16398864), (6, 13665720), (8, 10249290), (9, 9110480), (10, 8199432), (12, 6832860), (15, 5466288), (16, 5124645), (18, 4555240), (20, 4099716), (24, 3416430), (30, 2733144), (36, 2277620), (40, 2049858), (45, 1822096), (47, 1744560), (48, 1708215), (60, 1366572), (72, 1138810), (80, 1024929), (90, 911048), (94, 872280), (120, 683286), (141, 581520), (144, 569405), (180, 455524), (188, 436140), (235, 348912), (240, 341643), (282, 290760), (360, 227762), (376, 218070), (423, 193840), (470, 174456), (564, 145380), (705, 116304), (720, 113881), (752, 109035), (846, 96920), (940, 87228), (1128, 72690), (1410, 58152), (1692, 48460), (1880, 43614), (2115, 38768), (2256, 36345), (2423, 33840), (2820, 29076), (3384, 24230), (3760, 21807), (4230, 19384), (4846, 16920), (5640, 14538), (6768, 12115), (7269, 11280), (8460, 9692)]