80485672

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 170249850

約数和(自身を除く): 89764178

約数列:

[1, 2, 4, 8, 19, 29, 31, 38, 58, 62, 76, 116, 124, 152, 232, 248, 361, 551, 589, 722, 899, 961, 1102, 1178, 1444, 1798, 1922, 2204, 2356, 2888, 3596, 3844, 4408, 4712, 7192, 7688, 10469, 11191, 17081, 18259, 20938, 22382, 27869, 34162, 36518, 41876, 44764, 55738, 68324, 73036, 83752, 89528, 111476, 136648, 146072, 222952, 324539, 346921, 529511, 649078, 693842, 1059022, 1298156, 1387684, 2118044, 2596312, 2775368, 4236088, 10060709, 20121418, 40242836, 80485672]

約数ペア:

[(1, 80485672), (2, 40242836), (4, 20121418), (8, 10060709), (19, 4236088), (29, 2775368), (31, 2596312), (38, 2118044), (58, 1387684), (62, 1298156), (76, 1059022), (116, 693842), (124, 649078), (152, 529511), (232, 346921), (248, 324539), (361, 222952), (551, 146072), (589, 136648), (722, 111476), (899, 89528), (961, 83752), (1102, 73036), (1178, 68324), (1444, 55738), (1798, 44764), (1922, 41876), (2204, 36518), (2356, 34162), (2888, 27869), (3596, 22382), (3844, 20938), (4408, 18259), (4712, 17081), (7192, 11191), (7688, 10469)]