16778720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 46158336

約数和(自身を除く): 29379616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 211, 224, 280, 284, 355, 422, 497, 560, 568, 710, 844, 994, 1055, 1120, 1136, 1420, 1477, 1688, 1988, 2110, 2272, 2485, 2840, 2954, 3376, 3976, 4220, 4970, 5680, 5908, 6752, 7385, 7952, 8440, 9940, 11360, 11816, 14770, 14981, 15904, 16880, 19880, 23632, 29540, 29962, 33760, 39760, 47264, 59080, 59924, 74905, 79520, 104867, 118160, 119848, 149810, 209734, 236320, 239696, 299620, 419468, 479392, 524335, 599240, 838936, 1048670, 1198480, 1677872, 2097340, 2396960, 3355744, 4194680, 8389360, 16778720]

約数ペア:

[(1, 16778720), (2, 8389360), (4, 4194680), (5, 3355744), (7, 2396960), (8, 2097340), (10, 1677872), (14, 1198480), (16, 1048670), (20, 838936), (28, 599240), (32, 524335), (35, 479392), (40, 419468), (56, 299620), (70, 239696), (71, 236320), (80, 209734), (112, 149810), (140, 119848), (142, 118160), (160, 104867), (211, 79520), (224, 74905), (280, 59924), (284, 59080), (355, 47264), (422, 39760), (497, 33760), (560, 29962), (568, 29540), (710, 23632), (844, 19880), (994, 16880), (1055, 15904), (1120, 14981), (1136, 14770), (1420, 11816), (1477, 11360), (1688, 9940), (1988, 8440), (2110, 7952), (2272, 7385), (2485, 6752), (2840, 5908), (2954, 5680), (3376, 4970), (3976, 4220)]