77381120

素因数分解:

$2^9\times 5^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:371

約数の個数: 80

約数和(自身を含む): 187675488

約数和(自身を除く): 110294368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 181, 256, 320, 334, 362, 512, 640, 668, 724, 835, 905, 1280, 1336, 1448, 1670, 1810, 2560, 2672, 2896, 3340, 3620, 5344, 5792, 6680, 7240, 10688, 11584, 13360, 14480, 21376, 23168, 26720, 28960, 30227, 42752, 46336, 53440, 57920, 60454, 85504, 92672, 106880, 115840, 120908, 151135, 213760, 231680, 241816, 302270, 427520, 463360, 483632, 604540, 967264, 1209080, 1934528, 2418160, 3869056, 4836320, 7738112, 9672640, 15476224, 19345280, 38690560, 77381120]

約数ペア:

[(1, 77381120), (2, 38690560), (4, 19345280), (5, 15476224), (8, 9672640), (10, 7738112), (16, 4836320), (20, 3869056), (32, 2418160), (40, 1934528), (64, 1209080), (80, 967264), (128, 604540), (160, 483632), (167, 463360), (181, 427520), (256, 302270), (320, 241816), (334, 231680), (362, 213760), (512, 151135), (640, 120908), (668, 115840), (724, 106880), (835, 92672), (905, 85504), (1280, 60454), (1336, 57920), (1448, 53440), (1670, 46336), (1810, 42752), (2560, 30227), (2672, 28960), (2896, 26720), (3340, 23168), (3620, 21376), (5344, 14480), (5792, 13360), (6680, 11584), (7240, 10688)]