428907780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{6947}}^1$

素因数の和:6983

約数の個数: 144

約数和(自身を含む): 1517443200

約数和(自身を除く): 1088535420

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, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1715, 1764, 2058, 2205, 2940, 3087, 3430, 4116, 4410, 5145, 6174, 6860, 6947, 8820, 10290, 12348, 13894, 15435, 20580, 20841, 27788, 30870, 34735, 41682, 48629, 61740, 62523, 69470, 83364, 97258, 104205, 125046, 138940, 145887, 194516, 208410, 243145, 250092, 291774, 312615, 340403, 416820, 437661, 486290, 583548, 625230, 680806, 729435, 875322, 972580, 1021209, 1250460, 1361612, 1458870, 1702015, 1750644, 2042418, 2188305, 2382821, 2917740, 3063627, 3404030, 4084836, 4376610, 4765642, 5106045, 6127254, 6808060, 7148463, 8753220, 9531284, 10212090, 11914105, 12254508, 14296926, 15318135, 20424180, 21445389, 23828210, 28593852, 30636270, 35742315, 42890778, 47656420, 61272540, 71484630, 85781556, 107226945, 142969260, 214453890, 428907780]

約数ペア:

[(1, 428907780), (2, 214453890), (3, 142969260), (4, 107226945), (5, 85781556), (6, 71484630), (7, 61272540), (9, 47656420), (10, 42890778), (12, 35742315), (14, 30636270), (15, 28593852), (18, 23828210), (20, 21445389), (21, 20424180), (28, 15318135), (30, 14296926), (35, 12254508), (36, 11914105), (42, 10212090), (45, 9531284), (49, 8753220), (60, 7148463), (63, 6808060), (70, 6127254), (84, 5106045), (90, 4765642), (98, 4376610), (105, 4084836), (126, 3404030), (140, 3063627), (147, 2917740), (180, 2382821), (196, 2188305), (210, 2042418), (245, 1750644), (252, 1702015), (294, 1458870), (315, 1361612), (343, 1250460), (420, 1021209), (441, 972580), (490, 875322), (588, 729435), (630, 680806), (686, 625230), (735, 583548), (882, 486290), (980, 437661), (1029, 416820), (1260, 340403), (1372, 312615), (1470, 291774), (1715, 250092), (1764, 243145), (2058, 208410), (2205, 194516), (2940, 145887), (3087, 138940), (3430, 125046), (4116, 104205), (4410, 97258), (5145, 83364), (6174, 69470), (6860, 62523), (6947, 61740), (8820, 48629), (10290, 41682), (12348, 34735), (13894, 30870), (15435, 27788), (20580, 20841)]