578375680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:971

約数の個数: 104

約数和(自身を含む): 1434276864

約数和(自身を除く): 855901184

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, 911, 992, 1024, 1240, 1280, 1822, 1984, 2048, 2480, 2560, 3644, 3968, 4096, 4555, 4960, 5120, 7288, 7936, 9110, 9920, 10240, 14576, 15872, 18220, 19840, 20480, 28241, 29152, 31744, 36440, 39680, 56482, 58304, 63488, 72880, 79360, 112964, 116608, 126976, 141205, 145760, 158720, 225928, 233216, 282410, 291520, 317440, 451856, 466432, 564820, 583040, 634880, 903712, 932864, 1129640, 1166080, 1807424, 1865728, 2259280, 2332160, 3614848, 3731456, 4518560, 4664320, 7229696, 9037120, 9328640, 14459392, 18074240, 18657280, 28918784, 36148480, 57837568, 72296960, 115675136, 144593920, 289187840, 578375680]

約数ペア:

[(1, 578375680), (2, 289187840), (4, 144593920), (5, 115675136), (8, 72296960), (10, 57837568), (16, 36148480), (20, 28918784), (31, 18657280), (32, 18074240), (40, 14459392), (62, 9328640), (64, 9037120), (80, 7229696), (124, 4664320), (128, 4518560), (155, 3731456), (160, 3614848), (248, 2332160), (256, 2259280), (310, 1865728), (320, 1807424), (496, 1166080), (512, 1129640), (620, 932864), (640, 903712), (911, 634880), (992, 583040), (1024, 564820), (1240, 466432), (1280, 451856), (1822, 317440), (1984, 291520), (2048, 282410), (2480, 233216), (2560, 225928), (3644, 158720), (3968, 145760), (4096, 141205), (4555, 126976), (4960, 116608), (5120, 112964), (7288, 79360), (7936, 72880), (9110, 63488), (9920, 58304), (10240, 56482), (14576, 39680), (15872, 36440), (18220, 31744), (19840, 29152), (20480, 28241)]