31713280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 80589600

約数和(自身を除く): 48876320

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, 2048, 2432, 2560, 2608, 3040, 3097, 3260, 4864, 5120, 5216, 6080, 6194, 6520, 9728, 10240, 10432, 12160, 12388, 13040, 15485, 19456, 20864, 24320, 24776, 26080, 30970, 38912, 41728, 48640, 49552, 52160, 61940, 83456, 97280, 99104, 104320, 123880, 166912, 194560, 198208, 208640, 247760, 333824, 396416, 417280, 495520, 792832, 834560, 991040, 1585664, 1669120, 1982080, 3171328, 3964160, 6342656, 7928320, 15856640, 31713280]

約数ペア:

[(1, 31713280), (2, 15856640), (4, 7928320), (5, 6342656), (8, 3964160), (10, 3171328), (16, 1982080), (19, 1669120), (20, 1585664), (32, 991040), (38, 834560), (40, 792832), (64, 495520), (76, 417280), (80, 396416), (95, 333824), (128, 247760), (152, 208640), (160, 198208), (163, 194560), (190, 166912), (256, 123880), (304, 104320), (320, 99104), (326, 97280), (380, 83456), (512, 61940), (608, 52160), (640, 49552), (652, 48640), (760, 41728), (815, 38912), (1024, 30970), (1216, 26080), (1280, 24776), (1304, 24320), (1520, 20864), (1630, 19456), (2048, 15485), (2432, 13040), (2560, 12388), (2608, 12160), (3040, 10432), (3097, 10240), (3260, 9728), (4864, 6520), (5120, 6194), (5216, 6080)]