678103480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 1702010880

約数和(自身を除く): 1023907400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 191, 227, 230, 340, 382, 391, 454, 460, 680, 764, 782, 908, 920, 955, 1135, 1528, 1564, 1816, 1910, 1955, 2270, 3128, 3247, 3820, 3859, 3910, 4393, 4540, 5221, 6494, 7640, 7718, 7820, 8786, 9080, 10442, 12988, 15436, 15640, 16235, 17572, 19295, 20884, 21965, 25976, 26105, 30872, 32470, 35144, 38590, 41768, 43357, 43930, 52210, 64940, 74681, 77180, 86714, 87860, 88757, 104420, 129880, 149362, 154360, 173428, 175720, 177514, 208840, 216785, 298724, 346856, 355028, 373405, 433570, 443785, 597448, 710056, 737069, 746810, 867140, 887570, 997211, 1474138, 1493620, 1734280, 1775140, 1994422, 2948276, 2987240, 3550280, 3685345, 3988844, 4986055, 5896552, 7370690, 7977688, 9972110, 14741380, 16952587, 19944220, 29482760, 33905174, 39888440, 67810348, 84762935, 135620696, 169525870, 339051740, 678103480]

約数ペア:

[(1, 678103480), (2, 339051740), (4, 169525870), (5, 135620696), (8, 84762935), (10, 67810348), (17, 39888440), (20, 33905174), (23, 29482760), (34, 19944220), (40, 16952587), (46, 14741380), (68, 9972110), (85, 7977688), (92, 7370690), (115, 5896552), (136, 4986055), (170, 3988844), (184, 3685345), (191, 3550280), (227, 2987240), (230, 2948276), (340, 1994422), (382, 1775140), (391, 1734280), (454, 1493620), (460, 1474138), (680, 997211), (764, 887570), (782, 867140), (908, 746810), (920, 737069), (955, 710056), (1135, 597448), (1528, 443785), (1564, 433570), (1816, 373405), (1910, 355028), (1955, 346856), (2270, 298724), (3128, 216785), (3247, 208840), (3820, 177514), (3859, 175720), (3910, 173428), (4393, 154360), (4540, 149362), (5221, 129880), (6494, 104420), (7640, 88757), (7718, 87860), (7820, 86714), (8786, 77180), (9080, 74681), (10442, 64940), (12988, 52210), (15436, 43930), (15640, 43357), (16235, 41768), (17572, 38590), (19295, 35144), (20884, 32470), (21965, 30872), (25976, 26105)]