161369508

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 440115200

約数和(自身を除く): 278745692

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 31, 34, 38, 51, 57, 62, 68, 76, 79, 93, 102, 114, 124, 158, 186, 204, 228, 237, 289, 316, 323, 372, 474, 527, 578, 589, 646, 867, 948, 969, 1054, 1156, 1178, 1292, 1343, 1501, 1581, 1734, 1767, 1938, 2108, 2356, 2449, 2686, 3002, 3162, 3468, 3534, 3876, 4029, 4503, 4898, 5372, 5491, 6004, 6324, 7068, 7347, 8058, 8959, 9006, 9796, 10013, 10982, 14694, 16116, 16473, 17918, 18012, 20026, 21964, 22831, 25517, 26877, 29388, 30039, 32946, 35836, 40052, 41633, 45662, 46531, 51034, 53754, 60078, 65892, 68493, 76551, 83266, 91324, 93062, 102068, 107508, 120156, 124899, 136986, 139593, 153102, 166532, 170221, 186124, 249798, 273972, 279186, 306204, 340442, 433789, 499596, 510663, 558372, 680884, 707761, 791027, 867578, 1021326, 1301367, 1415522, 1582054, 1735156, 2042652, 2123283, 2373081, 2602734, 2831044, 3164108, 4246566, 4746162, 5205468, 8493132, 9492324, 13447459, 26894918, 40342377, 53789836, 80684754, 161369508]

約数ペア:

[(1, 161369508), (2, 80684754), (3, 53789836), (4, 40342377), (6, 26894918), (12, 13447459), (17, 9492324), (19, 8493132), (31, 5205468), (34, 4746162), (38, 4246566), (51, 3164108), (57, 2831044), (62, 2602734), (68, 2373081), (76, 2123283), (79, 2042652), (93, 1735156), (102, 1582054), (114, 1415522), (124, 1301367), (158, 1021326), (186, 867578), (204, 791027), (228, 707761), (237, 680884), (289, 558372), (316, 510663), (323, 499596), (372, 433789), (474, 340442), (527, 306204), (578, 279186), (589, 273972), (646, 249798), (867, 186124), (948, 170221), (969, 166532), (1054, 153102), (1156, 139593), (1178, 136986), (1292, 124899), (1343, 120156), (1501, 107508), (1581, 102068), (1734, 93062), (1767, 91324), (1938, 83266), (2108, 76551), (2356, 68493), (2449, 65892), (2686, 60078), (3002, 53754), (3162, 51034), (3468, 46531), (3534, 45662), (3876, 41633), (4029, 40052), (4503, 35836), (4898, 32946), (5372, 30039), (5491, 29388), (6004, 26877), (6324, 25517), (7068, 22831), (7347, 21964), (8058, 20026), (8959, 18012), (9006, 17918), (9796, 16473), (10013, 16116), (10982, 14694)]