1276339840

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:570

約数の個数: 128

約数和(自身を含む): 3158507520

約数和(自身を除く): 1882167680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 127, 128, 160, 164, 205, 254, 320, 328, 383, 410, 508, 635, 640, 656, 766, 820, 1016, 1270, 1312, 1532, 1640, 1915, 2032, 2540, 2624, 3064, 3280, 3830, 4064, 5080, 5207, 5248, 6128, 6560, 7660, 8128, 10160, 10414, 12256, 13120, 15320, 15703, 16256, 20320, 20828, 24512, 26035, 26240, 30640, 31406, 40640, 41656, 48641, 49024, 52070, 61280, 62812, 78515, 81280, 83312, 97282, 104140, 122560, 125624, 157030, 166624, 194564, 208280, 243205, 245120, 251248, 314060, 333248, 389128, 416560, 486410, 502496, 628120, 666496, 778256, 833120, 972820, 1004992, 1256240, 1556512, 1666240, 1945640, 1994281, 2009984, 2512480, 3113024, 3332480, 3891280, 3988562, 5024960, 6226048, 7782560, 7977124, 9971405, 10049920, 15565120, 15954248, 19942810, 31130240, 31908496, 39885620, 63816992, 79771240, 127633984, 159542480, 255267968, 319084960, 638169920, 1276339840]

約数ペア:

[(1, 1276339840), (2, 638169920), (4, 319084960), (5, 255267968), (8, 159542480), (10, 127633984), (16, 79771240), (20, 63816992), (32, 39885620), (40, 31908496), (41, 31130240), (64, 19942810), (80, 15954248), (82, 15565120), (127, 10049920), (128, 9971405), (160, 7977124), (164, 7782560), (205, 6226048), (254, 5024960), (320, 3988562), (328, 3891280), (383, 3332480), (410, 3113024), (508, 2512480), (635, 2009984), (640, 1994281), (656, 1945640), (766, 1666240), (820, 1556512), (1016, 1256240), (1270, 1004992), (1312, 972820), (1532, 833120), (1640, 778256), (1915, 666496), (2032, 628120), (2540, 502496), (2624, 486410), (3064, 416560), (3280, 389128), (3830, 333248), (4064, 314060), (5080, 251248), (5207, 245120), (5248, 243205), (6128, 208280), (6560, 194564), (7660, 166624), (8128, 157030), (10160, 125624), (10414, 122560), (12256, 104140), (13120, 97282), (15320, 83312), (15703, 81280), (16256, 78515), (20320, 62812), (20828, 61280), (24512, 52070), (26035, 49024), (26240, 48641), (30640, 41656), (31406, 40640)]