345312880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4409}}^1$

素因数の和:4522

約数の個数: 80

約数和(自身を含む): 885880800

約数和(自身を除く): 540567920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 440, 445, 712, 880, 890, 979, 1424, 1780, 1958, 3560, 3916, 4409, 4895, 7120, 7832, 8818, 9790, 15664, 17636, 19580, 22045, 35272, 39160, 44090, 48499, 70544, 78320, 88180, 96998, 176360, 193996, 242495, 352720, 387992, 392401, 484990, 775984, 784802, 969980, 1569604, 1939960, 1962005, 3139208, 3879920, 3924010, 4316411, 6278416, 7848020, 8632822, 15696040, 17265644, 21582055, 31392080, 34531288, 43164110, 69062576, 86328220, 172656440, 345312880]

約数ペア:

[(1, 345312880), (2, 172656440), (4, 86328220), (5, 69062576), (8, 43164110), (10, 34531288), (11, 31392080), (16, 21582055), (20, 17265644), (22, 15696040), (40, 8632822), (44, 7848020), (55, 6278416), (80, 4316411), (88, 3924010), (89, 3879920), (110, 3139208), (176, 1962005), (178, 1939960), (220, 1569604), (356, 969980), (440, 784802), (445, 775984), (712, 484990), (880, 392401), (890, 387992), (979, 352720), (1424, 242495), (1780, 193996), (1958, 176360), (3560, 96998), (3916, 88180), (4409, 78320), (4895, 70544), (7120, 48499), (7832, 44090), (8818, 39160), (9790, 35272), (15664, 22045), (17636, 19580)]