25410420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 216

約数和(自身を含む): 93117024

約数和(自身を除く): 67706604

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, 49, 60, 63, 67, 70, 84, 86, 90, 98, 105, 126, 129, 134, 140, 147, 172, 180, 196, 201, 210, 215, 245, 252, 258, 268, 294, 301, 315, 335, 387, 402, 420, 430, 441, 469, 490, 516, 588, 602, 603, 630, 645, 670, 735, 774, 804, 860, 882, 903, 938, 980, 1005, 1204, 1206, 1260, 1290, 1340, 1407, 1470, 1505, 1548, 1764, 1806, 1876, 1935, 2010, 2107, 2205, 2345, 2412, 2580, 2709, 2814, 2881, 2940, 3010, 3015, 3283, 3612, 3870, 4020, 4214, 4221, 4410, 4515, 4690, 5418, 5628, 5762, 6020, 6030, 6321, 6566, 7035, 7740, 8428, 8442, 8643, 8820, 9030, 9380, 9849, 10535, 10836, 11524, 12060, 12642, 13132, 13545, 14070, 14405, 16415, 16884, 17286, 18060, 18963, 19698, 20167, 21070, 21105, 25284, 25929, 27090, 28140, 28810, 29547, 31605, 32830, 34572, 37926, 39396, 40334, 42140, 42210, 43215, 49245, 51858, 54180, 57620, 59094, 60501, 63210, 65660, 75852, 80668, 84420, 86430, 94815, 98490, 100835, 103716, 118188, 121002, 126420, 129645, 141169, 147735, 172860, 181503, 189630, 196980, 201670, 242004, 259290, 282338, 295470, 302505, 363006, 379260, 403340, 423507, 518580, 564676, 590940, 605010, 705845, 726012, 847014, 907515, 1210020, 1270521, 1411690, 1694028, 1815030, 2117535, 2541042, 2823380, 3630060, 4235070, 5082084, 6352605, 8470140, 12705210, 25410420]

約数ペア:

[(1, 25410420), (2, 12705210), (3, 8470140), (4, 6352605), (5, 5082084), (6, 4235070), (7, 3630060), (9, 2823380), (10, 2541042), (12, 2117535), (14, 1815030), (15, 1694028), (18, 1411690), (20, 1270521), (21, 1210020), (28, 907515), (30, 847014), (35, 726012), (36, 705845), (42, 605010), (43, 590940), (45, 564676), (49, 518580), (60, 423507), (63, 403340), (67, 379260), (70, 363006), (84, 302505), (86, 295470), (90, 282338), (98, 259290), (105, 242004), (126, 201670), (129, 196980), (134, 189630), (140, 181503), (147, 172860), (172, 147735), (180, 141169), (196, 129645), (201, 126420), (210, 121002), (215, 118188), (245, 103716), (252, 100835), (258, 98490), (268, 94815), (294, 86430), (301, 84420), (315, 80668), (335, 75852), (387, 65660), (402, 63210), (420, 60501), (430, 59094), (441, 57620), (469, 54180), (490, 51858), (516, 49245), (588, 43215), (602, 42210), (603, 42140), (630, 40334), (645, 39396), (670, 37926), (735, 34572), (774, 32830), (804, 31605), (860, 29547), (882, 28810), (903, 28140), (938, 27090), (980, 25929), (1005, 25284), (1204, 21105), (1206, 21070), (1260, 20167), (1290, 19698), (1340, 18963), (1407, 18060), (1470, 17286), (1505, 16884), (1548, 16415), (1764, 14405), (1806, 14070), (1876, 13545), (1935, 13132), (2010, 12642), (2107, 12060), (2205, 11524), (2345, 10836), (2412, 10535), (2580, 9849), (2709, 9380), (2814, 9030), (2881, 8820), (2940, 8643), (3010, 8442), (3015, 8428), (3283, 7740), (3612, 7035), (3870, 6566), (4020, 6321), (4214, 6030), (4221, 6020), (4410, 5762), (4515, 5628), (4690, 5418)]