81989568

素因数分解:

$2^6\times 3^2\times {\mathrm{137}}^1\times {\mathrm{1039}}^1$

素因数の和:1194

約数の個数: 84

約数和(自身を含む): 236951520

約数和(自身を除く): 154961952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 137, 144, 192, 274, 288, 411, 548, 576, 822, 1039, 1096, 1233, 1644, 2078, 2192, 2466, 3117, 3288, 4156, 4384, 4932, 6234, 6576, 8312, 8768, 9351, 9864, 12468, 13152, 16624, 18702, 19728, 24936, 26304, 33248, 37404, 39456, 49872, 66496, 74808, 78912, 99744, 142343, 149616, 199488, 284686, 299232, 427029, 569372, 598464, 854058, 1138744, 1281087, 1708116, 2277488, 2562174, 3416232, 4554976, 5124348, 6832464, 9109952, 10248696, 13664928, 20497392, 27329856, 40994784, 81989568]

約数ペア:

[(1, 81989568), (2, 40994784), (3, 27329856), (4, 20497392), (6, 13664928), (8, 10248696), (9, 9109952), (12, 6832464), (16, 5124348), (18, 4554976), (24, 3416232), (32, 2562174), (36, 2277488), (48, 1708116), (64, 1281087), (72, 1138744), (96, 854058), (137, 598464), (144, 569372), (192, 427029), (274, 299232), (288, 284686), (411, 199488), (548, 149616), (576, 142343), (822, 99744), (1039, 78912), (1096, 74808), (1233, 66496), (1644, 49872), (2078, 39456), (2192, 37404), (2466, 33248), (3117, 26304), (3288, 24936), (4156, 19728), (4384, 18702), (4932, 16624), (6234, 13152), (6576, 12468), (8312, 9864), (8768, 9351)]