289108480

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3643}}^1$

素因数の和:3697

約数の個数: 80

約数和(自身を含む): 715739904

約数和(自身を除く): 426631424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3643, 3968, 4960, 7286, 7936, 9920, 14572, 15872, 18215, 19840, 29144, 36430, 39680, 58288, 72860, 79360, 112933, 116576, 145720, 225866, 233152, 291440, 451732, 466304, 564665, 582880, 903464, 932608, 1129330, 1165760, 1806928, 1865216, 2258660, 2331520, 3613856, 4517320, 4663040, 7227712, 9034640, 9326080, 14455424, 18069280, 28910848, 36138560, 57821696, 72277120, 144554240, 289108480]

約数ペア:

[(1, 289108480), (2, 144554240), (4, 72277120), (5, 57821696), (8, 36138560), (10, 28910848), (16, 18069280), (20, 14455424), (31, 9326080), (32, 9034640), (40, 7227712), (62, 4663040), (64, 4517320), (80, 3613856), (124, 2331520), (128, 2258660), (155, 1865216), (160, 1806928), (248, 1165760), (256, 1129330), (310, 932608), (320, 903464), (496, 582880), (512, 564665), (620, 466304), (640, 451732), (992, 291440), (1240, 233152), (1280, 225866), (1984, 145720), (2480, 116576), (2560, 112933), (3643, 79360), (3968, 72860), (4960, 58288), (7286, 39680), (7936, 36430), (9920, 29144), (14572, 19840), (15872, 18215)]