281608960

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 715825152

約数和(自身を除く): 434216192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 64, 80, 94, 124, 128, 151, 155, 160, 188, 235, 248, 256, 302, 310, 320, 376, 470, 496, 604, 620, 640, 752, 755, 940, 992, 1208, 1240, 1280, 1457, 1504, 1510, 1880, 1984, 2416, 2480, 2914, 3008, 3020, 3760, 3968, 4681, 4832, 4960, 5828, 6016, 6040, 7097, 7285, 7520, 7936, 9362, 9664, 9920, 11656, 12032, 12080, 14194, 14570, 15040, 18724, 19328, 19840, 23312, 23405, 24160, 28388, 29140, 30080, 35485, 37448, 38656, 39680, 46624, 46810, 48320, 56776, 58280, 60160, 70970, 74896, 93248, 93620, 96640, 113552, 116560, 141940, 149792, 186496, 187240, 193280, 220007, 227104, 233120, 283880, 299584, 372992, 374480, 440014, 454208, 466240, 567760, 599168, 748960, 880028, 908416, 932480, 1100035, 1135520, 1198336, 1497920, 1760056, 1816832, 1864960, 2200070, 2271040, 2995840, 3520112, 4400140, 4542080, 5991680, 7040224, 8800280, 9084160, 14080448, 17600560, 28160896, 35201120, 56321792, 70402240, 140804480, 281608960]

約数ペア:

[(1, 281608960), (2, 140804480), (4, 70402240), (5, 56321792), (8, 35201120), (10, 28160896), (16, 17600560), (20, 14080448), (31, 9084160), (32, 8800280), (40, 7040224), (47, 5991680), (62, 4542080), (64, 4400140), (80, 3520112), (94, 2995840), (124, 2271040), (128, 2200070), (151, 1864960), (155, 1816832), (160, 1760056), (188, 1497920), (235, 1198336), (248, 1135520), (256, 1100035), (302, 932480), (310, 908416), (320, 880028), (376, 748960), (470, 599168), (496, 567760), (604, 466240), (620, 454208), (640, 440014), (752, 374480), (755, 372992), (940, 299584), (992, 283880), (1208, 233120), (1240, 227104), (1280, 220007), (1457, 193280), (1504, 187240), (1510, 186496), (1880, 149792), (1984, 141940), (2416, 116560), (2480, 113552), (2914, 96640), (3008, 93620), (3020, 93248), (3760, 74896), (3968, 70970), (4681, 60160), (4832, 58280), (4960, 56776), (5828, 48320), (6016, 46810), (6040, 46624), (7097, 39680), (7285, 38656), (7520, 37448), (7936, 35485), (9362, 30080), (9664, 29140), (9920, 28388), (11656, 24160), (12032, 23405), (12080, 23312), (14194, 19840), (14570, 19328), (15040, 18724)]