74289920

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 179741184

約数和(自身を除く): 105451264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 457, 508, 635, 640, 914, 1016, 1270, 1280, 1828, 2032, 2285, 2540, 3656, 4064, 4570, 5080, 7312, 8128, 9140, 10160, 14624, 16256, 18280, 20320, 29248, 32512, 36560, 40640, 58039, 58496, 73120, 81280, 116078, 116992, 146240, 162560, 232156, 290195, 292480, 464312, 580390, 584960, 928624, 1160780, 1857248, 2321560, 3714496, 4643120, 7428992, 9286240, 14857984, 18572480, 37144960, 74289920]

約数ペア:

[(1, 74289920), (2, 37144960), (4, 18572480), (5, 14857984), (8, 9286240), (10, 7428992), (16, 4643120), (20, 3714496), (32, 2321560), (40, 1857248), (64, 1160780), (80, 928624), (127, 584960), (128, 580390), (160, 464312), (254, 292480), (256, 290195), (320, 232156), (457, 162560), (508, 146240), (635, 116992), (640, 116078), (914, 81280), (1016, 73120), (1270, 58496), (1280, 58039), (1828, 40640), (2032, 36560), (2285, 32512), (2540, 29248), (3656, 20320), (4064, 18280), (4570, 16256), (5080, 14624), (7312, 10160), (8128, 9140)]