638169920

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:568

約数の個数: 112

約数和(自身を含む): 1573060608

約数和(自身を除く): 934890688

約数列:

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

約数ペア:

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