260280720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1270

約数の個数: 240

約数和(自身を含む): 1023065472

約数和(自身を除く): 762784752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 72, 80, 84, 86, 90, 105, 112, 120, 126, 129, 140, 144, 168, 172, 180, 210, 215, 240, 252, 258, 280, 301, 315, 336, 344, 360, 387, 420, 430, 504, 516, 560, 602, 630, 645, 688, 720, 774, 840, 860, 903, 1008, 1032, 1201, 1204, 1260, 1290, 1505, 1548, 1680, 1720, 1806, 1935, 2064, 2402, 2408, 2520, 2580, 2709, 3010, 3096, 3440, 3603, 3612, 3870, 4515, 4804, 4816, 5040, 5160, 5418, 6005, 6020, 6192, 7206, 7224, 7740, 8407, 9030, 9608, 10320, 10809, 10836, 12010, 12040, 13545, 14412, 14448, 15480, 16814, 18015, 18060, 19216, 21618, 21672, 24020, 24080, 25221, 27090, 28824, 30960, 33628, 36030, 36120, 42035, 43236, 43344, 48040, 50442, 51643, 54045, 54180, 57648, 67256, 72060, 72240, 75663, 84070, 86472, 96080, 100884, 103286, 108090, 108360, 126105, 134512, 144120, 151326, 154929, 168140, 172944, 201768, 206572, 216180, 216720, 252210, 258215, 288240, 302652, 309858, 336280, 361501, 378315, 403536, 413144, 432360, 464787, 504420, 516430, 605304, 619716, 672560, 723002, 756630, 774645, 826288, 864720, 929574, 1008840, 1032860, 1084503, 1210608, 1239432, 1446004, 1513260, 1549290, 1807505, 1859148, 2017680, 2065720, 2169006, 2323935, 2478864, 2892008, 3026520, 3098580, 3253509, 3615010, 3718296, 4131440, 4338012, 4647870, 5422515, 5784016, 6053040, 6197160, 6507018, 7230020, 7436592, 8676024, 9295740, 10845030, 12394320, 13014036, 14460040, 16267545, 17352048, 18591480, 21690060, 26028072, 28920080, 32535090, 37182960, 43380120, 52056144, 65070180, 86760240, 130140360, 260280720]

約数ペア:

[(1, 260280720), (2, 130140360), (3, 86760240), (4, 65070180), (5, 52056144), (6, 43380120), (7, 37182960), (8, 32535090), (9, 28920080), (10, 26028072), (12, 21690060), (14, 18591480), (15, 17352048), (16, 16267545), (18, 14460040), (20, 13014036), (21, 12394320), (24, 10845030), (28, 9295740), (30, 8676024), (35, 7436592), (36, 7230020), (40, 6507018), (42, 6197160), (43, 6053040), (45, 5784016), (48, 5422515), (56, 4647870), (60, 4338012), (63, 4131440), (70, 3718296), (72, 3615010), (80, 3253509), (84, 3098580), (86, 3026520), (90, 2892008), (105, 2478864), (112, 2323935), (120, 2169006), (126, 2065720), (129, 2017680), (140, 1859148), (144, 1807505), (168, 1549290), (172, 1513260), (180, 1446004), (210, 1239432), (215, 1210608), (240, 1084503), (252, 1032860), (258, 1008840), (280, 929574), (301, 864720), (315, 826288), (336, 774645), (344, 756630), (360, 723002), (387, 672560), (420, 619716), (430, 605304), (504, 516430), (516, 504420), (560, 464787), (602, 432360), (630, 413144), (645, 403536), (688, 378315), (720, 361501), (774, 336280), (840, 309858), (860, 302652), (903, 288240), (1008, 258215), (1032, 252210), (1201, 216720), (1204, 216180), (1260, 206572), (1290, 201768), (1505, 172944), (1548, 168140), (1680, 154929), (1720, 151326), (1806, 144120), (1935, 134512), (2064, 126105), (2402, 108360), (2408, 108090), (2520, 103286), (2580, 100884), (2709, 96080), (3010, 86472), (3096, 84070), (3440, 75663), (3603, 72240), (3612, 72060), (3870, 67256), (4515, 57648), (4804, 54180), (4816, 54045), (5040, 51643), (5160, 50442), (5418, 48040), (6005, 43344), (6020, 43236), (6192, 42035), (7206, 36120), (7224, 36030), (7740, 33628), (8407, 30960), (9030, 28824), (9608, 27090), (10320, 25221), (10809, 24080), (10836, 24020), (12010, 21672), (12040, 21618), (13545, 19216), (14412, 18060), (14448, 18015), (15480, 16814)]