82171040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 231662592

約数和(自身を除く): 149491552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 160, 188, 196, 223, 224, 235, 245, 280, 329, 376, 392, 446, 470, 490, 560, 658, 752, 784, 892, 940, 980, 1115, 1120, 1316, 1504, 1561, 1568, 1645, 1784, 1880, 1960, 2230, 2303, 2632, 3122, 3290, 3568, 3760, 3920, 4460, 4606, 5264, 6244, 6580, 7136, 7520, 7805, 7840, 8920, 9212, 10481, 10528, 10927, 11515, 12488, 13160, 15610, 17840, 18424, 20962, 21854, 23030, 24976, 26320, 31220, 35680, 36848, 41924, 43708, 46060, 49952, 52405, 52640, 54635, 62440, 73367, 73696, 83848, 87416, 92120, 104810, 109270, 124880, 146734, 167696, 174832, 184240, 209620, 218540, 249760, 293468, 335392, 349664, 366835, 368480, 419240, 437080, 513569, 586936, 733670, 838480, 874160, 1027138, 1173872, 1467340, 1676960, 1748320, 2054276, 2347744, 2567845, 2934680, 4108552, 5135690, 5869360, 8217104, 10271380, 11738720, 16434208, 20542760, 41085520, 82171040]

約数ペア:

[(1, 82171040), (2, 41085520), (4, 20542760), (5, 16434208), (7, 11738720), (8, 10271380), (10, 8217104), (14, 5869360), (16, 5135690), (20, 4108552), (28, 2934680), (32, 2567845), (35, 2347744), (40, 2054276), (47, 1748320), (49, 1676960), (56, 1467340), (70, 1173872), (80, 1027138), (94, 874160), (98, 838480), (112, 733670), (140, 586936), (160, 513569), (188, 437080), (196, 419240), (223, 368480), (224, 366835), (235, 349664), (245, 335392), (280, 293468), (329, 249760), (376, 218540), (392, 209620), (446, 184240), (470, 174832), (490, 167696), (560, 146734), (658, 124880), (752, 109270), (784, 104810), (892, 92120), (940, 87416), (980, 83848), (1115, 73696), (1120, 73367), (1316, 62440), (1504, 54635), (1561, 52640), (1568, 52405), (1645, 49952), (1784, 46060), (1880, 43708), (1960, 41924), (2230, 36848), (2303, 35680), (2632, 31220), (3122, 26320), (3290, 24976), (3568, 23030), (3760, 21854), (3920, 20962), (4460, 18424), (4606, 17840), (5264, 15610), (6244, 13160), (6580, 12488), (7136, 11515), (7520, 10927), (7805, 10528), (7840, 10481), (8920, 9212)]