65919280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2221}}^1$

素因数の和:2294

約数の個数: 80

約数和(自身を含む): 178542144

約数和(自身を除く): 112622864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2221, 2968, 3710, 4240, 4442, 5936, 7420, 8884, 11105, 14840, 15547, 17768, 22210, 29680, 31094, 35536, 44420, 62188, 77735, 88840, 117713, 124376, 155470, 177680, 235426, 248752, 310940, 470852, 588565, 621880, 823991, 941704, 1177130, 1243760, 1647982, 1883408, 2354260, 3295964, 4119955, 4708520, 6591928, 8239910, 9417040, 13183856, 16479820, 32959640, 65919280]

約数ペア:

[(1, 65919280), (2, 32959640), (4, 16479820), (5, 13183856), (7, 9417040), (8, 8239910), (10, 6591928), (14, 4708520), (16, 4119955), (20, 3295964), (28, 2354260), (35, 1883408), (40, 1647982), (53, 1243760), (56, 1177130), (70, 941704), (80, 823991), (106, 621880), (112, 588565), (140, 470852), (212, 310940), (265, 248752), (280, 235426), (371, 177680), (424, 155470), (530, 124376), (560, 117713), (742, 88840), (848, 77735), (1060, 62188), (1484, 44420), (1855, 35536), (2120, 31094), (2221, 29680), (2968, 22210), (3710, 17768), (4240, 15547), (4442, 14840), (5936, 11105), (7420, 8884)]