138446720

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1579}}^1$

素因数の和:1735

約数の個数: 64

約数和(自身を含む): 333601200

約数和(自身を除く): 195154480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 274, 320, 548, 640, 685, 1096, 1370, 1579, 2192, 2740, 3158, 4384, 5480, 6316, 7895, 8768, 10960, 12632, 15790, 17536, 21920, 25264, 31580, 43840, 50528, 63160, 87680, 101056, 126320, 202112, 216323, 252640, 432646, 505280, 865292, 1010560, 1081615, 1730584, 2163230, 3461168, 4326460, 6922336, 8652920, 13844672, 17305840, 27689344, 34611680, 69223360, 138446720]

約数ペア:

[(1, 138446720), (2, 69223360), (4, 34611680), (5, 27689344), (8, 17305840), (10, 13844672), (16, 8652920), (20, 6922336), (32, 4326460), (40, 3461168), (64, 2163230), (80, 1730584), (128, 1081615), (137, 1010560), (160, 865292), (274, 505280), (320, 432646), (548, 252640), (640, 216323), (685, 202112), (1096, 126320), (1370, 101056), (1579, 87680), (2192, 63160), (2740, 50528), (3158, 43840), (4384, 31580), (5480, 25264), (6316, 21920), (7895, 17536), (8768, 15790), (10960, 12632)]