71758960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9857}}^1$

素因数の和:9890

約数の個数: 80

約数和(自身を含む): 205361856

約数和(自身を除く): 133602896

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 9857, 19714, 39428, 49285, 68999, 78856, 98570, 128141, 137998, 157712, 197140, 256282, 275996, 344995, 394280, 512564, 551992, 640705, 689990, 788560, 896987, 1025128, 1103984, 1281410, 1379980, 1793974, 2050256, 2562820, 2759960, 3587948, 4484935, 5125640, 5519920, 7175896, 8969870, 10251280, 14351792, 17939740, 35879480, 71758960]

約数ペア:

[(1, 71758960), (2, 35879480), (4, 17939740), (5, 14351792), (7, 10251280), (8, 8969870), (10, 7175896), (13, 5519920), (14, 5125640), (16, 4484935), (20, 3587948), (26, 2759960), (28, 2562820), (35, 2050256), (40, 1793974), (52, 1379980), (56, 1281410), (65, 1103984), (70, 1025128), (80, 896987), (91, 788560), (104, 689990), (112, 640705), (130, 551992), (140, 512564), (182, 394280), (208, 344995), (260, 275996), (280, 256282), (364, 197140), (455, 157712), (520, 137998), (560, 128141), (728, 98570), (910, 78856), (1040, 68999), (1456, 49285), (1820, 39428), (3640, 19714), (7280, 9857)]