71347280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 177280320

約数和(自身を除く): 105933040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 146, 152, 190, 292, 304, 365, 380, 584, 643, 730, 760, 1168, 1286, 1387, 1460, 1520, 2572, 2774, 2920, 3215, 5144, 5548, 5840, 6430, 6935, 10288, 11096, 12217, 12860, 13870, 22192, 24434, 25720, 27740, 46939, 48868, 51440, 55480, 61085, 93878, 97736, 110960, 122170, 187756, 195472, 234695, 244340, 375512, 469390, 488680, 751024, 891841, 938780, 977360, 1783682, 1877560, 3567364, 3755120, 4459205, 7134728, 8918410, 14269456, 17836820, 35673640, 71347280]

約数ペア:

[(1, 71347280), (2, 35673640), (4, 17836820), (5, 14269456), (8, 8918410), (10, 7134728), (16, 4459205), (19, 3755120), (20, 3567364), (38, 1877560), (40, 1783682), (73, 977360), (76, 938780), (80, 891841), (95, 751024), (146, 488680), (152, 469390), (190, 375512), (292, 244340), (304, 234695), (365, 195472), (380, 187756), (584, 122170), (643, 110960), (730, 97736), (760, 93878), (1168, 61085), (1286, 55480), (1387, 51440), (1460, 48868), (1520, 46939), (2572, 27740), (2774, 25720), (2920, 24434), (3215, 22192), (5144, 13870), (5548, 12860), (5840, 12217), (6430, 11096), (6935, 10288)]