81865271.000000000

素因数分解:

$2^4\times 3^4\times {\mathrm{19}}^1\times {\mathrm{6301}}^1$

素因数の和:6340

約数の個数: 100

約数和(自身を含む): 472776040

約数和(自身を除く): 317620216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 304, 324, 342, 432, 456, 513, 648, 684, 912, 1026, 1296, 1368, 1539, 2052, 2736, 3078, 4104, 6156, 6301, 8208, 12312, 12602, 18903, 24624, 25204, 37806, 50408, 56709, 75612, 100816, 113418, 119719, 151224, 170127, 226836, 239438, 302448, 340254, 359157, 453672, 478876, 510381, 680508, 718314, 907344, 957752, 1020762, 1077471, 1361016, 1436628, 1915504, 2041524, 2154942, 2722032, 2873256, 3232413, 4083048, 4309884, 5746512, 6464826, 8166096, 8619768, 9697239, 12929652, 17239536, 19394478, 25859304, 38788956, 51718608, 77577912, 155155824]

約数ペア:

[(1, 155155824), (2, 77577912), (3, 51718608), (4, 38788956), (6, 25859304), (8, 19394478), (9, 17239536), (12, 12929652), (16, 9697239), (18, 8619768), (19, 8166096), (24, 6464826), (27, 5746512), (36, 4309884), (38, 4083048), (48, 3232413), (54, 2873256), (57, 2722032), (72, 2154942), (76, 2041524), (81, 1915504), (108, 1436628), (114, 1361016), (144, 1077471), (152, 1020762), (162, 957752), (171, 907344), (216, 718314), (228, 680508), (304, 510381), (324, 478876), (342, 453672), (432, 359157), (456, 340254), (513, 302448), (648, 239438), (684, 226836), (912, 170127), (1026, 151224), (1296, 119719), (1368, 113418), (1539, 100816), (2052, 75612), (2736, 56709), (3078, 50408), (4104, 37806), (6156, 25204), (6301, 24624), (8208, 18903), (12312, 12602)]