155001520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{941}}^1$

素因数の和:1054

約数の個数: 80

約数和(自身を含む): 378457920

約数和(自身を除く): 223456400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 71, 80, 116, 142, 145, 232, 284, 290, 355, 464, 568, 580, 710, 941, 1136, 1160, 1420, 1882, 2059, 2320, 2840, 3764, 4118, 4705, 5680, 7528, 8236, 9410, 10295, 15056, 16472, 18820, 20590, 27289, 32944, 37640, 41180, 54578, 66811, 75280, 82360, 109156, 133622, 136445, 164720, 218312, 267244, 272890, 334055, 436624, 534488, 545780, 668110, 1068976, 1091560, 1336220, 1937519, 2183120, 2672440, 3875038, 5344880, 7750076, 9687595, 15500152, 19375190, 31000304, 38750380, 77500760, 155001520]

約数ペア:

[(1, 155001520), (2, 77500760), (4, 38750380), (5, 31000304), (8, 19375190), (10, 15500152), (16, 9687595), (20, 7750076), (29, 5344880), (40, 3875038), (58, 2672440), (71, 2183120), (80, 1937519), (116, 1336220), (142, 1091560), (145, 1068976), (232, 668110), (284, 545780), (290, 534488), (355, 436624), (464, 334055), (568, 272890), (580, 267244), (710, 218312), (941, 164720), (1136, 136445), (1160, 133622), (1420, 109156), (1882, 82360), (2059, 75280), (2320, 66811), (2840, 54578), (3764, 41180), (4118, 37640), (4705, 32944), (5680, 27289), (7528, 20590), (8236, 18820), (9410, 16472), (10295, 15056)]