68648840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1361}}^1$

素因数の和:1482

約数の個数: 64

約数和(自身を含む): 168179760

約数和(自身を除く): 99530920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 776, 970, 1261, 1361, 1940, 2522, 2722, 3880, 5044, 5444, 6305, 6805, 10088, 10888, 12610, 13610, 17693, 25220, 27220, 35386, 50440, 54440, 70772, 88465, 132017, 141544, 176930, 264034, 353860, 528068, 660085, 707720, 1056136, 1320170, 1716221, 2640340, 3432442, 5280680, 6864884, 8581105, 13729768, 17162210, 34324420, 68648840]

約数ペア:

[(1, 68648840), (2, 34324420), (4, 17162210), (5, 13729768), (8, 8581105), (10, 6864884), (13, 5280680), (20, 3432442), (26, 2640340), (40, 1716221), (52, 1320170), (65, 1056136), (97, 707720), (104, 660085), (130, 528068), (194, 353860), (260, 264034), (388, 176930), (485, 141544), (520, 132017), (776, 88465), (970, 70772), (1261, 54440), (1361, 50440), (1940, 35386), (2522, 27220), (2722, 25220), (3880, 17693), (5044, 13610), (5444, 12610), (6305, 10888), (6805, 10088)]