688421520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1487}}^1$

素因数の和:2149

約数の個数: 120

約数和(自身を含む): 2317101696

約数和(自身を除く): 1628680176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 643, 720, 1286, 1487, 1929, 2572, 2974, 3215, 3858, 4461, 5144, 5787, 5948, 6430, 7435, 7716, 8922, 9645, 10288, 11574, 11896, 12860, 13383, 14870, 15432, 17844, 19290, 22305, 23148, 23792, 25720, 26766, 28935, 29740, 30864, 35688, 38580, 44610, 46296, 51440, 53532, 57870, 59480, 66915, 71376, 77160, 89220, 92592, 107064, 115740, 118960, 133830, 154320, 178440, 214128, 231480, 267660, 356880, 462960, 535320, 956141, 1070640, 1912282, 2868423, 3824564, 4780705, 5736846, 7649128, 8605269, 9561410, 11473692, 14342115, 15298256, 17210538, 19122820, 22947384, 28684230, 34421076, 38245640, 43026345, 45894768, 57368460, 68842152, 76491280, 86052690, 114736920, 137684304, 172105380, 229473840, 344210760, 688421520]

約数ペア:

[(1, 688421520), (2, 344210760), (3, 229473840), (4, 172105380), (5, 137684304), (6, 114736920), (8, 86052690), (9, 76491280), (10, 68842152), (12, 57368460), (15, 45894768), (16, 43026345), (18, 38245640), (20, 34421076), (24, 28684230), (30, 22947384), (36, 19122820), (40, 17210538), (45, 15298256), (48, 14342115), (60, 11473692), (72, 9561410), (80, 8605269), (90, 7649128), (120, 5736846), (144, 4780705), (180, 3824564), (240, 2868423), (360, 1912282), (643, 1070640), (720, 956141), (1286, 535320), (1487, 462960), (1929, 356880), (2572, 267660), (2974, 231480), (3215, 214128), (3858, 178440), (4461, 154320), (5144, 133830), (5787, 118960), (5948, 115740), (6430, 107064), (7435, 92592), (7716, 89220), (8922, 77160), (9645, 71376), (10288, 66915), (11574, 59480), (11896, 57870), (12860, 53532), (13383, 51440), (14870, 46296), (15432, 44610), (17844, 38580), (19290, 35688), (22305, 30864), (23148, 29740), (23792, 28935), (25720, 26766)]