81325296

素因数分解:

$2^4\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1645

約数の個数: 120

約数和(自身を含む): 254341360

約数和(自身を除く): 173016064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 243, 312, 324, 351, 432, 468, 486, 624, 648, 702, 936, 972, 1053, 1296, 1404, 1609, 1872, 1944, 2106, 2808, 3159, 3218, 3888, 4212, 4827, 5616, 6318, 6436, 8424, 9654, 12636, 12872, 14481, 16848, 19308, 20917, 25272, 25744, 28962, 38616, 41834, 43443, 50544, 57924, 62751, 77232, 83668, 86886, 115848, 125502, 130329, 167336, 173772, 188253, 231696, 251004, 260658, 334672, 347544, 376506, 390987, 502008, 521316, 564759, 695088, 753012, 781974, 1004016, 1042632, 1129518, 1506024, 1563948, 1694277, 2085264, 2259036, 3012048, 3127896, 3388554, 4518072, 5082831, 6255792, 6777108, 9036144, 10165662, 13554216, 20331324, 27108432, 40662648, 81325296]

約数ペア:

[(1, 81325296), (2, 40662648), (3, 27108432), (4, 20331324), (6, 13554216), (8, 10165662), (9, 9036144), (12, 6777108), (13, 6255792), (16, 5082831), (18, 4518072), (24, 3388554), (26, 3127896), (27, 3012048), (36, 2259036), (39, 2085264), (48, 1694277), (52, 1563948), (54, 1506024), (72, 1129518), (78, 1042632), (81, 1004016), (104, 781974), (108, 753012), (117, 695088), (144, 564759), (156, 521316), (162, 502008), (208, 390987), (216, 376506), (234, 347544), (243, 334672), (312, 260658), (324, 251004), (351, 231696), (432, 188253), (468, 173772), (486, 167336), (624, 130329), (648, 125502), (702, 115848), (936, 86886), (972, 83668), (1053, 77232), (1296, 62751), (1404, 57924), (1609, 50544), (1872, 43443), (1944, 41834), (2106, 38616), (2808, 28962), (3159, 25744), (3218, 25272), (3888, 20917), (4212, 19308), (4827, 16848), (5616, 14481), (6318, 12872), (6436, 12636), (8424, 9654)]