15856640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:207

約数の個数: 88

約数和(自身を含む): 40284960

約数和(自身を除く): 24428320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 163, 190, 256, 304, 320, 326, 380, 512, 608, 640, 652, 760, 815, 1024, 1216, 1280, 1304, 1520, 1630, 2432, 2560, 2608, 3040, 3097, 3260, 4864, 5120, 5216, 6080, 6194, 6520, 9728, 10432, 12160, 12388, 13040, 15485, 19456, 20864, 24320, 24776, 26080, 30970, 41728, 48640, 49552, 52160, 61940, 83456, 97280, 99104, 104320, 123880, 166912, 198208, 208640, 247760, 396416, 417280, 495520, 792832, 834560, 991040, 1585664, 1982080, 3171328, 3964160, 7928320, 15856640]

約数ペア:

[(1, 15856640), (2, 7928320), (4, 3964160), (5, 3171328), (8, 1982080), (10, 1585664), (16, 991040), (19, 834560), (20, 792832), (32, 495520), (38, 417280), (40, 396416), (64, 247760), (76, 208640), (80, 198208), (95, 166912), (128, 123880), (152, 104320), (160, 99104), (163, 97280), (190, 83456), (256, 61940), (304, 52160), (320, 49552), (326, 48640), (380, 41728), (512, 30970), (608, 26080), (640, 24776), (652, 24320), (760, 20864), (815, 19456), (1024, 15485), (1216, 13040), (1280, 12388), (1304, 12160), (1520, 10432), (1630, 9728), (2432, 6520), (2560, 6194), (2608, 6080), (3040, 5216), (3097, 5120), (3260, 4864)]