15633920

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 80

約数和(自身を含む): 38890368

約数和(自身を除く): 23256448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 197, 248, 256, 310, 320, 394, 496, 512, 620, 640, 788, 985, 992, 1240, 1280, 1576, 1970, 1984, 2480, 2560, 3152, 3940, 3968, 4960, 6107, 6304, 7880, 7936, 9920, 12214, 12608, 15760, 15872, 19840, 24428, 25216, 30535, 31520, 39680, 48856, 50432, 61070, 63040, 79360, 97712, 100864, 122140, 126080, 195424, 244280, 252160, 390848, 488560, 504320, 781696, 977120, 1563392, 1954240, 3126784, 3908480, 7816960, 15633920]

約数ペア:

[(1, 15633920), (2, 7816960), (4, 3908480), (5, 3126784), (8, 1954240), (10, 1563392), (16, 977120), (20, 781696), (31, 504320), (32, 488560), (40, 390848), (62, 252160), (64, 244280), (80, 195424), (124, 126080), (128, 122140), (155, 100864), (160, 97712), (197, 79360), (248, 63040), (256, 61070), (310, 50432), (320, 48856), (394, 39680), (496, 31520), (512, 30535), (620, 25216), (640, 24428), (788, 19840), (985, 15872), (992, 15760), (1240, 12608), (1280, 12214), (1576, 9920), (1970, 7936), (1984, 7880), (2480, 6304), (2560, 6107), (3152, 4960), (3940, 3968)]