159981328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 353199616

約数和(自身を除く): 193218288

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 43, 52, 62, 86, 104, 124, 172, 208, 248, 344, 403, 496, 559, 577, 688, 806, 1118, 1154, 1333, 1612, 2236, 2308, 2666, 3224, 4472, 4616, 5332, 6448, 7501, 8944, 9232, 10664, 15002, 17329, 17887, 21328, 24811, 30004, 34658, 35774, 49622, 60008, 69316, 71548, 99244, 120016, 138632, 143096, 198488, 232531, 277264, 286192, 322543, 396976, 465062, 645086, 769141, 930124, 1290172, 1538282, 1860248, 2580344, 3076564, 3720496, 5160688, 6153128, 9998833, 12306256, 19997666, 39995332, 79990664, 159981328]

約数ペア:

[(1, 159981328), (2, 79990664), (4, 39995332), (8, 19997666), (13, 12306256), (16, 9998833), (26, 6153128), (31, 5160688), (43, 3720496), (52, 3076564), (62, 2580344), (86, 1860248), (104, 1538282), (124, 1290172), (172, 930124), (208, 769141), (248, 645086), (344, 465062), (403, 396976), (496, 322543), (559, 286192), (577, 277264), (688, 232531), (806, 198488), (1118, 143096), (1154, 138632), (1333, 120016), (1612, 99244), (2236, 71548), (2308, 69316), (2666, 60008), (3224, 49622), (4472, 35774), (4616, 34658), (5332, 30004), (6448, 24811), (7501, 21328), (8944, 17887), (9232, 17329), (10664, 15002)]