81771768

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:619

約数の個数: 160

約数和(自身を含む): 261621360

約数和(自身を除く): 179849592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 27, 34, 36, 39, 51, 52, 54, 68, 72, 78, 81, 102, 104, 108, 117, 136, 153, 156, 162, 204, 216, 221, 234, 306, 312, 324, 351, 408, 442, 459, 468, 571, 612, 648, 663, 702, 884, 918, 936, 1053, 1142, 1224, 1326, 1377, 1404, 1713, 1768, 1836, 1989, 2106, 2284, 2652, 2754, 2808, 3426, 3672, 3978, 4212, 4568, 5139, 5304, 5508, 5967, 6852, 7423, 7956, 8424, 9707, 10278, 11016, 11934, 13704, 14846, 15417, 15912, 17901, 19414, 20556, 22269, 23868, 29121, 29692, 30834, 35802, 38828, 41112, 44538, 46251, 47736, 58242, 59384, 61668, 66807, 71604, 77656, 87363, 89076, 92502, 116484, 123336, 126191, 133614, 143208, 174726, 178152, 185004, 200421, 232968, 252382, 262089, 267228, 349452, 370008, 378573, 400842, 504764, 524178, 534456, 601263, 698904, 757146, 786267, 801684, 1009528, 1048356, 1135719, 1202526, 1514292, 1572534, 1603368, 2096712, 2271438, 2405052, 3028584, 3145068, 3407157, 4542876, 4810104, 6290136, 6814314, 9085752, 10221471, 13628628, 20442942, 27257256, 40885884, 81771768]

約数ペア:

[(1, 81771768), (2, 40885884), (3, 27257256), (4, 20442942), (6, 13628628), (8, 10221471), (9, 9085752), (12, 6814314), (13, 6290136), (17, 4810104), (18, 4542876), (24, 3407157), (26, 3145068), (27, 3028584), (34, 2405052), (36, 2271438), (39, 2096712), (51, 1603368), (52, 1572534), (54, 1514292), (68, 1202526), (72, 1135719), (78, 1048356), (81, 1009528), (102, 801684), (104, 786267), (108, 757146), (117, 698904), (136, 601263), (153, 534456), (156, 524178), (162, 504764), (204, 400842), (216, 378573), (221, 370008), (234, 349452), (306, 267228), (312, 262089), (324, 252382), (351, 232968), (408, 200421), (442, 185004), (459, 178152), (468, 174726), (571, 143208), (612, 133614), (648, 126191), (663, 123336), (702, 116484), (884, 92502), (918, 89076), (936, 87363), (1053, 77656), (1142, 71604), (1224, 66807), (1326, 61668), (1377, 59384), (1404, 58242), (1713, 47736), (1768, 46251), (1836, 44538), (1989, 41112), (2106, 38828), (2284, 35802), (2652, 30834), (2754, 29692), (2808, 29121), (3426, 23868), (3672, 22269), (3978, 20556), (4212, 19414), (4568, 17901), (5139, 15912), (5304, 15417), (5508, 14846), (5967, 13704), (6852, 11934), (7423, 11016), (7956, 10278), (8424, 9707)]