78591920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:411

約数の個数: 120

約数和(自身を含む): 210174048

約数和(自身を除く): 131582128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 121, 176, 184, 220, 230, 242, 253, 353, 368, 440, 460, 484, 506, 605, 706, 880, 920, 968, 1012, 1210, 1265, 1412, 1765, 1840, 1936, 2024, 2420, 2530, 2783, 2824, 3530, 3883, 4048, 4840, 5060, 5566, 5648, 7060, 7766, 8119, 9680, 10120, 11132, 13915, 14120, 15532, 16238, 19415, 20240, 22264, 27830, 28240, 31064, 32476, 38830, 40595, 42713, 44528, 55660, 62128, 64952, 77660, 81190, 85426, 89309, 111320, 129904, 155320, 162380, 170852, 178618, 213565, 222640, 310640, 324760, 341704, 357236, 427130, 446545, 649520, 683408, 714472, 854260, 893090, 982399, 1428944, 1708520, 1786180, 1964798, 3417040, 3572360, 3929596, 4911995, 7144720, 7859192, 9823990, 15718384, 19647980, 39295960, 78591920]

約数ペア:

[(1, 78591920), (2, 39295960), (4, 19647980), (5, 15718384), (8, 9823990), (10, 7859192), (11, 7144720), (16, 4911995), (20, 3929596), (22, 3572360), (23, 3417040), (40, 1964798), (44, 1786180), (46, 1708520), (55, 1428944), (80, 982399), (88, 893090), (92, 854260), (110, 714472), (115, 683408), (121, 649520), (176, 446545), (184, 427130), (220, 357236), (230, 341704), (242, 324760), (253, 310640), (353, 222640), (368, 213565), (440, 178618), (460, 170852), (484, 162380), (506, 155320), (605, 129904), (706, 111320), (880, 89309), (920, 85426), (968, 81190), (1012, 77660), (1210, 64952), (1265, 62128), (1412, 55660), (1765, 44528), (1840, 42713), (1936, 40595), (2024, 38830), (2420, 32476), (2530, 31064), (2783, 28240), (2824, 27830), (3530, 22264), (3883, 20240), (4048, 19415), (4840, 16238), (5060, 15532), (5566, 14120), (5648, 13915), (7060, 11132), (7766, 10120), (8119, 9680)]