81866500740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{70481}}^1$

素因数の和:70744

約数の個数: 144

約数和(自身を含む): 258606915840

約数和(自身を除く): 176740415100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 239, 243, 270, 324, 405, 478, 486, 540, 717, 810, 956, 972, 1195, 1215, 1434, 1620, 2151, 2390, 2430, 2868, 3585, 4302, 4780, 4860, 6453, 7170, 8604, 10755, 12906, 14340, 19359, 21510, 25812, 32265, 38718, 43020, 58077, 64530, 70481, 77436, 96795, 116154, 129060, 140962, 193590, 211443, 232308, 281924, 290385, 352405, 387180, 422886, 580770, 634329, 704810, 845772, 1057215, 1161540, 1268658, 1409620, 1902987, 2114430, 2537316, 3171645, 3805974, 4228860, 5708961, 6343290, 7611948, 9514935, 11417922, 12686580, 16844959, 17126883, 19029870, 22835844, 28544805, 33689918, 34253766, 38059740, 50534877, 57089610, 67379836, 68507532, 84224795, 85634415, 101069754, 114179220, 151604631, 168449590, 171268830, 202139508, 252674385, 303209262, 336899180, 342537660, 454813893, 505348770, 606418524, 758023155, 909627786, 1010697540, 1364441679, 1516046310, 1819255572, 2274069465, 2728883358, 3032092620, 4093325037, 4548138930, 5457766716, 6822208395, 8186650074, 9096277860, 13644416790, 16373300148, 20466625185, 27288833580, 40933250370, 81866500740]

約数ペア:

[(1, 81866500740), (2, 40933250370), (3, 27288833580), (4, 20466625185), (5, 16373300148), (6, 13644416790), (9, 9096277860), (10, 8186650074), (12, 6822208395), (15, 5457766716), (18, 4548138930), (20, 4093325037), (27, 3032092620), (30, 2728883358), (36, 2274069465), (45, 1819255572), (54, 1516046310), (60, 1364441679), (81, 1010697540), (90, 909627786), (108, 758023155), (135, 606418524), (162, 505348770), (180, 454813893), (239, 342537660), (243, 336899180), (270, 303209262), (324, 252674385), (405, 202139508), (478, 171268830), (486, 168449590), (540, 151604631), (717, 114179220), (810, 101069754), (956, 85634415), (972, 84224795), (1195, 68507532), (1215, 67379836), (1434, 57089610), (1620, 50534877), (2151, 38059740), (2390, 34253766), (2430, 33689918), (2868, 28544805), (3585, 22835844), (4302, 19029870), (4780, 17126883), (4860, 16844959), (6453, 12686580), (7170, 11417922), (8604, 9514935), (10755, 7611948), (12906, 6343290), (14340, 5708961), (19359, 4228860), (21510, 3805974), (25812, 3171645), (32265, 2537316), (38718, 2114430), (43020, 1902987), (58077, 1409620), (64530, 1268658), (70481, 1161540), (77436, 1057215), (96795, 845772), (116154, 704810), (129060, 634329), (140962, 580770), (193590, 422886), (211443, 387180), (232308, 352405), (281924, 290385)]