15864660

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{1399}}^1$

素因数の和:1427

約数の個数: 120

約数和(自身を含む): 56918400

約数和(自身を除く): 41053740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1399, 1620, 1890, 2268, 2798, 2835, 3780, 4197, 5596, 5670, 6995, 8394, 9793, 11340, 12591, 13990, 16788, 19586, 20985, 25182, 27980, 29379, 37773, 39172, 41970, 48965, 50364, 58758, 62955, 75546, 83940, 88137, 97930, 113319, 117516, 125910, 146895, 151092, 176274, 188865, 195860, 226638, 251820, 264411, 293790, 352548, 377730, 440685, 453276, 528822, 566595, 587580, 755460, 793233, 881370, 1057644, 1133190, 1322055, 1586466, 1762740, 2266380, 2644110, 3172932, 3966165, 5288220, 7932330, 15864660]

約数ペア:

[(1, 15864660), (2, 7932330), (3, 5288220), (4, 3966165), (5, 3172932), (6, 2644110), (7, 2266380), (9, 1762740), (10, 1586466), (12, 1322055), (14, 1133190), (15, 1057644), (18, 881370), (20, 793233), (21, 755460), (27, 587580), (28, 566595), (30, 528822), (35, 453276), (36, 440685), (42, 377730), (45, 352548), (54, 293790), (60, 264411), (63, 251820), (70, 226638), (81, 195860), (84, 188865), (90, 176274), (105, 151092), (108, 146895), (126, 125910), (135, 117516), (140, 113319), (162, 97930), (180, 88137), (189, 83940), (210, 75546), (252, 62955), (270, 58758), (315, 50364), (324, 48965), (378, 41970), (405, 39172), (420, 37773), (540, 29379), (567, 27980), (630, 25182), (756, 20985), (810, 19586), (945, 16788), (1134, 13990), (1260, 12591), (1399, 11340), (1620, 9793), (1890, 8394), (2268, 6995), (2798, 5670), (2835, 5596), (3780, 4197)]