8470140

素因数分解:

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

素因数の和:136

約数の個数: 144

約数和(自身を含む): 28651392

約数和(自身を除く): 20181252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 67, 70, 84, 86, 98, 105, 129, 134, 140, 147, 172, 196, 201, 210, 215, 245, 258, 268, 294, 301, 335, 402, 420, 430, 469, 490, 516, 588, 602, 645, 670, 735, 804, 860, 903, 938, 980, 1005, 1204, 1290, 1340, 1407, 1470, 1505, 1806, 1876, 2010, 2107, 2345, 2580, 2814, 2881, 2940, 3010, 3283, 3612, 4020, 4214, 4515, 4690, 5628, 5762, 6020, 6321, 6566, 7035, 8428, 8643, 9030, 9380, 9849, 10535, 11524, 12642, 13132, 14070, 14405, 16415, 17286, 18060, 19698, 20167, 21070, 25284, 28140, 28810, 31605, 32830, 34572, 39396, 40334, 42140, 43215, 49245, 57620, 60501, 63210, 65660, 80668, 86430, 98490, 100835, 121002, 126420, 141169, 172860, 196980, 201670, 242004, 282338, 302505, 403340, 423507, 564676, 605010, 705845, 847014, 1210020, 1411690, 1694028, 2117535, 2823380, 4235070, 8470140]

約数ペア:

[(1, 8470140), (2, 4235070), (3, 2823380), (4, 2117535), (5, 1694028), (6, 1411690), (7, 1210020), (10, 847014), (12, 705845), (14, 605010), (15, 564676), (20, 423507), (21, 403340), (28, 302505), (30, 282338), (35, 242004), (42, 201670), (43, 196980), (49, 172860), (60, 141169), (67, 126420), (70, 121002), (84, 100835), (86, 98490), (98, 86430), (105, 80668), (129, 65660), (134, 63210), (140, 60501), (147, 57620), (172, 49245), (196, 43215), (201, 42140), (210, 40334), (215, 39396), (245, 34572), (258, 32830), (268, 31605), (294, 28810), (301, 28140), (335, 25284), (402, 21070), (420, 20167), (430, 19698), (469, 18060), (490, 17286), (516, 16415), (588, 14405), (602, 14070), (645, 13132), (670, 12642), (735, 11524), (804, 10535), (860, 9849), (903, 9380), (938, 9030), (980, 8643), (1005, 8428), (1204, 7035), (1290, 6566), (1340, 6321), (1407, 6020), (1470, 5762), (1505, 5628), (1806, 4690), (1876, 4515), (2010, 4214), (2107, 4020), (2345, 3612), (2580, 3283), (2814, 3010), (2881, 2940)]