84379240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 218661120

約数和(自身を除く): 134281880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 71, 73, 74, 88, 110, 142, 146, 148, 185, 220, 284, 292, 296, 355, 365, 370, 407, 440, 568, 584, 710, 730, 740, 781, 803, 814, 1420, 1460, 1480, 1562, 1606, 1628, 2035, 2627, 2701, 2840, 2920, 3124, 3212, 3256, 3905, 4015, 4070, 5183, 5254, 5402, 6248, 6424, 7810, 8030, 8140, 10366, 10508, 10804, 13135, 13505, 15620, 16060, 16280, 20732, 21016, 21608, 25915, 26270, 27010, 28897, 29711, 31240, 32120, 41464, 51830, 52540, 54020, 57013, 57794, 59422, 103660, 105080, 108040, 114026, 115588, 118844, 144485, 148555, 191771, 207320, 228052, 231176, 237688, 285065, 288970, 297110, 383542, 456104, 570130, 577940, 594220, 767084, 958855, 1140260, 1155880, 1188440, 1534168, 1917710, 2109481, 2280520, 3835420, 4218962, 7670840, 8437924, 10547405, 16875848, 21094810, 42189620, 84379240]

約数ペア:

[(1, 84379240), (2, 42189620), (4, 21094810), (5, 16875848), (8, 10547405), (10, 8437924), (11, 7670840), (20, 4218962), (22, 3835420), (37, 2280520), (40, 2109481), (44, 1917710), (55, 1534168), (71, 1188440), (73, 1155880), (74, 1140260), (88, 958855), (110, 767084), (142, 594220), (146, 577940), (148, 570130), (185, 456104), (220, 383542), (284, 297110), (292, 288970), (296, 285065), (355, 237688), (365, 231176), (370, 228052), (407, 207320), (440, 191771), (568, 148555), (584, 144485), (710, 118844), (730, 115588), (740, 114026), (781, 108040), (803, 105080), (814, 103660), (1420, 59422), (1460, 57794), (1480, 57013), (1562, 54020), (1606, 52540), (1628, 51830), (2035, 41464), (2627, 32120), (2701, 31240), (2840, 29711), (2920, 28897), (3124, 27010), (3212, 26270), (3256, 25915), (3905, 21608), (4015, 21016), (4070, 20732), (5183, 16280), (5254, 16060), (5402, 15620), (6248, 13505), (6424, 13135), (7810, 10804), (8030, 10508), (8140, 10366)]