15874740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 56504448

約数和(自身を除く): 40629708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 293, 301, 315, 387, 420, 430, 516, 586, 602, 630, 645, 774, 860, 879, 903, 1172, 1204, 1260, 1290, 1465, 1505, 1548, 1758, 1806, 1935, 2051, 2580, 2637, 2709, 2930, 3010, 3516, 3612, 3870, 4102, 4395, 4515, 5274, 5418, 5860, 6020, 6153, 7740, 8204, 8790, 9030, 10255, 10548, 10836, 12306, 12599, 13185, 13545, 17580, 18060, 18459, 20510, 24612, 25198, 26370, 27090, 30765, 36918, 37797, 41020, 50396, 52740, 54180, 61530, 62995, 73836, 75594, 88193, 92295, 113391, 123060, 125990, 151188, 176386, 184590, 188985, 226782, 251980, 264579, 352772, 369180, 377970, 440965, 453564, 529158, 566955, 755940, 793737, 881930, 1058316, 1133910, 1322895, 1587474, 1763860, 2267820, 2645790, 3174948, 3968685, 5291580, 7937370, 15874740]

約数ペア:

[(1, 15874740), (2, 7937370), (3, 5291580), (4, 3968685), (5, 3174948), (6, 2645790), (7, 2267820), (9, 1763860), (10, 1587474), (12, 1322895), (14, 1133910), (15, 1058316), (18, 881930), (20, 793737), (21, 755940), (28, 566955), (30, 529158), (35, 453564), (36, 440965), (42, 377970), (43, 369180), (45, 352772), (60, 264579), (63, 251980), (70, 226782), (84, 188985), (86, 184590), (90, 176386), (105, 151188), (126, 125990), (129, 123060), (140, 113391), (172, 92295), (180, 88193), (210, 75594), (215, 73836), (252, 62995), (258, 61530), (293, 54180), (301, 52740), (315, 50396), (387, 41020), (420, 37797), (430, 36918), (516, 30765), (586, 27090), (602, 26370), (630, 25198), (645, 24612), (774, 20510), (860, 18459), (879, 18060), (903, 17580), (1172, 13545), (1204, 13185), (1260, 12599), (1290, 12306), (1465, 10836), (1505, 10548), (1548, 10255), (1758, 9030), (1806, 8790), (1935, 8204), (2051, 7740), (2580, 6153), (2637, 6020), (2709, 5860), (2930, 5418), (3010, 5274), (3516, 4515), (3612, 4395), (3870, 4102)]