261046980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1163}}^1$

素因数の和:1250

約数の個数: 144

約数和(自身を含む): 838918080

約数和(自身を除く): 577871100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 43, 45, 58, 60, 86, 87, 90, 116, 129, 145, 172, 174, 180, 215, 258, 261, 290, 348, 387, 430, 435, 516, 522, 580, 645, 774, 860, 870, 1044, 1163, 1247, 1290, 1305, 1548, 1740, 1935, 2326, 2494, 2580, 2610, 3489, 3741, 3870, 4652, 4988, 5220, 5815, 6235, 6978, 7482, 7740, 10467, 11223, 11630, 12470, 13956, 14964, 17445, 18705, 20934, 22446, 23260, 24940, 33727, 34890, 37410, 41868, 44892, 50009, 52335, 56115, 67454, 69780, 74820, 100018, 101181, 104670, 112230, 134908, 150027, 168635, 200036, 202362, 209340, 224460, 250045, 300054, 303543, 337270, 404724, 450081, 500090, 505905, 600108, 607086, 674540, 750135, 900162, 1000180, 1011810, 1214172, 1450261, 1500270, 1517715, 1800324, 2023620, 2250405, 2900522, 3000540, 3035430, 4350783, 4500810, 5801044, 6070860, 7251305, 8701566, 9001620, 13052349, 14502610, 17403132, 21753915, 26104698, 29005220, 43507830, 52209396, 65261745, 87015660, 130523490, 261046980]

約数ペア:

[(1, 261046980), (2, 130523490), (3, 87015660), (4, 65261745), (5, 52209396), (6, 43507830), (9, 29005220), (10, 26104698), (12, 21753915), (15, 17403132), (18, 14502610), (20, 13052349), (29, 9001620), (30, 8701566), (36, 7251305), (43, 6070860), (45, 5801044), (58, 4500810), (60, 4350783), (86, 3035430), (87, 3000540), (90, 2900522), (116, 2250405), (129, 2023620), (145, 1800324), (172, 1517715), (174, 1500270), (180, 1450261), (215, 1214172), (258, 1011810), (261, 1000180), (290, 900162), (348, 750135), (387, 674540), (430, 607086), (435, 600108), (516, 505905), (522, 500090), (580, 450081), (645, 404724), (774, 337270), (860, 303543), (870, 300054), (1044, 250045), (1163, 224460), (1247, 209340), (1290, 202362), (1305, 200036), (1548, 168635), (1740, 150027), (1935, 134908), (2326, 112230), (2494, 104670), (2580, 101181), (2610, 100018), (3489, 74820), (3741, 69780), (3870, 67454), (4652, 56115), (4988, 52335), (5220, 50009), (5815, 44892), (6235, 41868), (6978, 37410), (7482, 34890), (7740, 33727), (10467, 24940), (11223, 23260), (11630, 22446), (12470, 20934), (13956, 18705), (14964, 17445)]