28956060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^4\times {\mathrm{67}}^1$

素因数の和:110

約数の個数: 180

約数和(自身を含む): 103995528

約数和(自身を除く): 75039468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 67, 70, 84, 90, 98, 105, 126, 134, 140, 147, 180, 196, 201, 210, 245, 252, 268, 294, 315, 335, 343, 402, 420, 441, 469, 490, 588, 603, 630, 670, 686, 735, 804, 882, 938, 980, 1005, 1029, 1206, 1260, 1340, 1372, 1407, 1470, 1715, 1764, 1876, 2010, 2058, 2205, 2345, 2401, 2412, 2814, 2940, 3015, 3087, 3283, 3430, 4020, 4116, 4221, 4410, 4690, 4802, 5145, 5628, 6030, 6174, 6566, 6860, 7035, 7203, 8442, 8820, 9380, 9604, 9849, 10290, 12005, 12060, 12348, 13132, 14070, 14406, 15435, 16415, 16884, 19698, 20580, 21105, 21609, 22981, 24010, 28140, 28812, 29547, 30870, 32830, 36015, 39396, 42210, 43218, 45962, 48020, 49245, 59094, 61740, 65660, 68943, 72030, 84420, 86436, 91924, 98490, 108045, 114905, 118188, 137886, 144060, 147735, 160867, 196980, 206829, 216090, 229810, 275772, 295470, 321734, 344715, 413658, 432180, 459620, 482601, 590940, 643468, 689430, 804335, 827316, 965202, 1034145, 1378860, 1447803, 1608670, 1930404, 2068290, 2413005, 2895606, 3217340, 4136580, 4826010, 5791212, 7239015, 9652020, 14478030, 28956060]

約数ペア:

[(1, 28956060), (2, 14478030), (3, 9652020), (4, 7239015), (5, 5791212), (6, 4826010), (7, 4136580), (9, 3217340), (10, 2895606), (12, 2413005), (14, 2068290), (15, 1930404), (18, 1608670), (20, 1447803), (21, 1378860), (28, 1034145), (30, 965202), (35, 827316), (36, 804335), (42, 689430), (45, 643468), (49, 590940), (60, 482601), (63, 459620), (67, 432180), (70, 413658), (84, 344715), (90, 321734), (98, 295470), (105, 275772), (126, 229810), (134, 216090), (140, 206829), (147, 196980), (180, 160867), (196, 147735), (201, 144060), (210, 137886), (245, 118188), (252, 114905), (268, 108045), (294, 98490), (315, 91924), (335, 86436), (343, 84420), (402, 72030), (420, 68943), (441, 65660), (469, 61740), (490, 59094), (588, 49245), (603, 48020), (630, 45962), (670, 43218), (686, 42210), (735, 39396), (804, 36015), (882, 32830), (938, 30870), (980, 29547), (1005, 28812), (1029, 28140), (1206, 24010), (1260, 22981), (1340, 21609), (1372, 21105), (1407, 20580), (1470, 19698), (1715, 16884), (1764, 16415), (1876, 15435), (2010, 14406), (2058, 14070), (2205, 13132), (2345, 12348), (2401, 12060), (2412, 12005), (2814, 10290), (2940, 9849), (3015, 9604), (3087, 9380), (3283, 8820), (3430, 8442), (4020, 7203), (4116, 7035), (4221, 6860), (4410, 6566), (4690, 6174), (4802, 6030), (5145, 5628)]