1380128

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 2993760

約数和(自身を除く): 1613632

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 59, 68, 86, 118, 136, 172, 236, 272, 344, 472, 544, 688, 731, 944, 1003, 1376, 1462, 1888, 2006, 2537, 2924, 4012, 5074, 5848, 8024, 10148, 11696, 16048, 20296, 23392, 32096, 40592, 43129, 81184, 86258, 172516, 345032, 690064, 1380128]

約数ペア:

[(1, 1380128), (2, 690064), (4, 345032), (8, 172516), (16, 86258), (17, 81184), (32, 43129), (34, 40592), (43, 32096), (59, 23392), (68, 20296), (86, 16048), (118, 11696), (136, 10148), (172, 8024), (236, 5848), (272, 5074), (344, 4012), (472, 2924), (544, 2537), (688, 2006), (731, 1888), (944, 1462), (1003, 1376)]