140804480

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 357212160

約数和(自身を除く): 216407680

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, 302, 310, 320, 376, 470, 496, 604, 620, 640, 752, 755, 940, 992, 1208, 1240, 1457, 1504, 1510, 1880, 1984, 2416, 2480, 2914, 3008, 3020, 3760, 3968, 4681, 4832, 4960, 5828, 6016, 6040, 7097, 7285, 7520, 9362, 9664, 9920, 11656, 12080, 14194, 14570, 15040, 18724, 19328, 19840, 23312, 23405, 24160, 28388, 29140, 30080, 35485, 37448, 46624, 46810, 48320, 56776, 58280, 70970, 74896, 93248, 93620, 96640, 113552, 116560, 141940, 149792, 186496, 187240, 220007, 227104, 233120, 283880, 299584, 374480, 440014, 454208, 466240, 567760, 599168, 748960, 880028, 908416, 932480, 1100035, 1135520, 1497920, 1760056, 2200070, 2271040, 2995840, 3520112, 4400140, 4542080, 7040224, 8800280, 14080448, 17600560, 28160896, 35201120, 70402240, 140804480]

約数ペア:

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