8081460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 27518400

約数和(自身を除く): 19436940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 139, 153, 170, 171, 180, 190, 204, 228, 255, 278, 285, 306, 323, 340, 342, 380, 417, 510, 556, 570, 612, 646, 684, 695, 765, 834, 855, 969, 1020, 1140, 1251, 1292, 1390, 1530, 1615, 1668, 1710, 1938, 2085, 2363, 2502, 2641, 2780, 2907, 3060, 3230, 3420, 3876, 4170, 4726, 4845, 5004, 5282, 5814, 6255, 6460, 7089, 7923, 8340, 9452, 9690, 10564, 11628, 11815, 12510, 13205, 14178, 14535, 15846, 19380, 21267, 23630, 23769, 25020, 26410, 28356, 29070, 31692, 35445, 39615, 42534, 44897, 47260, 47538, 52820, 58140, 70890, 79230, 85068, 89794, 95076, 106335, 118845, 134691, 141780, 158460, 179588, 212670, 224485, 237690, 269382, 404073, 425340, 448970, 475380, 538764, 673455, 808146, 897940, 1346910, 1616292, 2020365, 2693820, 4040730, 8081460]

約数ペア:

[(1, 8081460), (2, 4040730), (3, 2693820), (4, 2020365), (5, 1616292), (6, 1346910), (9, 897940), (10, 808146), (12, 673455), (15, 538764), (17, 475380), (18, 448970), (19, 425340), (20, 404073), (30, 269382), (34, 237690), (36, 224485), (38, 212670), (45, 179588), (51, 158460), (57, 141780), (60, 134691), (68, 118845), (76, 106335), (85, 95076), (90, 89794), (95, 85068), (102, 79230), (114, 70890), (139, 58140), (153, 52820), (170, 47538), (171, 47260), (180, 44897), (190, 42534), (204, 39615), (228, 35445), (255, 31692), (278, 29070), (285, 28356), (306, 26410), (323, 25020), (340, 23769), (342, 23630), (380, 21267), (417, 19380), (510, 15846), (556, 14535), (570, 14178), (612, 13205), (646, 12510), (684, 11815), (695, 11628), (765, 10564), (834, 9690), (855, 9452), (969, 8340), (1020, 7923), (1140, 7089), (1251, 6460), (1292, 6255), (1390, 5814), (1530, 5282), (1615, 5004), (1668, 4845), (1710, 4726), (1938, 4170), (2085, 3876), (2363, 3420), (2502, 3230), (2641, 3060), (2780, 2907)]