160021876

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{313}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 349218240

約数和(自身を除く): 189196364

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 313, 434, 532, 589, 626, 868, 961, 1178, 1252, 1922, 2191, 2356, 3844, 4123, 4382, 5947, 6727, 8246, 8764, 9703, 11894, 13454, 16492, 18259, 19406, 23788, 26908, 36518, 38812, 41629, 67921, 73036, 83258, 127813, 135842, 166516, 184357, 255626, 271684, 300793, 368714, 511252, 601586, 737428, 1203172, 1290499, 2105551, 2580998, 4211102, 5161996, 5715067, 8422204, 11430134, 22860268, 40005469, 80010938, 160021876]

約数ペア:

[(1, 160021876), (2, 80010938), (4, 40005469), (7, 22860268), (14, 11430134), (19, 8422204), (28, 5715067), (31, 5161996), (38, 4211102), (62, 2580998), (76, 2105551), (124, 1290499), (133, 1203172), (217, 737428), (266, 601586), (313, 511252), (434, 368714), (532, 300793), (589, 271684), (626, 255626), (868, 184357), (961, 166516), (1178, 135842), (1252, 127813), (1922, 83258), (2191, 73036), (2356, 67921), (3844, 41629), (4123, 38812), (4382, 36518), (5947, 26908), (6727, 23788), (8246, 19406), (8764, 18259), (9703, 16492), (11894, 13454)]