131475440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1291}}^1$

素因数の和:1390

約数の個数: 80

約数和(自身を含む): 326824320

約数和(自身を除く): 195348880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 190, 268, 304, 335, 380, 536, 670, 760, 1072, 1273, 1291, 1340, 1520, 2546, 2582, 2680, 5092, 5164, 5360, 6365, 6455, 10184, 10328, 12730, 12910, 20368, 20656, 24529, 25460, 25820, 49058, 50920, 51640, 86497, 98116, 101840, 103280, 122645, 172994, 196232, 245290, 345988, 392464, 432485, 490580, 691976, 864970, 981160, 1383952, 1643443, 1729940, 1962320, 3286886, 3459880, 6573772, 6919760, 8217215, 13147544, 16434430, 26295088, 32868860, 65737720, 131475440]

約数ペア:

[(1, 131475440), (2, 65737720), (4, 32868860), (5, 26295088), (8, 16434430), (10, 13147544), (16, 8217215), (19, 6919760), (20, 6573772), (38, 3459880), (40, 3286886), (67, 1962320), (76, 1729940), (80, 1643443), (95, 1383952), (134, 981160), (152, 864970), (190, 691976), (268, 490580), (304, 432485), (335, 392464), (380, 345988), (536, 245290), (670, 196232), (760, 172994), (1072, 122645), (1273, 103280), (1291, 101840), (1340, 98116), (1520, 86497), (2546, 51640), (2582, 50920), (2680, 49058), (5092, 25820), (5164, 25460), (5360, 24529), (6365, 20656), (6455, 20368), (10184, 12910), (10328, 12730)]