31448320

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 76527360

約数和(自身を除く): 45079040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 311, 316, 320, 395, 622, 632, 640, 790, 1244, 1264, 1280, 1555, 1580, 2488, 2528, 3110, 3160, 4976, 5056, 6220, 6320, 9952, 10112, 12440, 12640, 19904, 20224, 24569, 24880, 25280, 39808, 49138, 49760, 50560, 79616, 98276, 99520, 101120, 122845, 196552, 199040, 245690, 393104, 398080, 491380, 786208, 982760, 1572416, 1965520, 3144832, 3931040, 6289664, 7862080, 15724160, 31448320]

約数ペア:

[(1, 31448320), (2, 15724160), (4, 7862080), (5, 6289664), (8, 3931040), (10, 3144832), (16, 1965520), (20, 1572416), (32, 982760), (40, 786208), (64, 491380), (79, 398080), (80, 393104), (128, 245690), (158, 199040), (160, 196552), (256, 122845), (311, 101120), (316, 99520), (320, 98276), (395, 79616), (622, 50560), (632, 49760), (640, 49138), (790, 39808), (1244, 25280), (1264, 24880), (1280, 24569), (1555, 20224), (1580, 19904), (2488, 12640), (2528, 12440), (3110, 10112), (3160, 9952), (4976, 6320), (5056, 6220)]