123118740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11213}}^1$

素因数の和:11289

約数の個数: 72

約数和(自身を含む): 379616328

約数和(自身を除く): 256497588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 11213, 22426, 33639, 44852, 56065, 67278, 100917, 112130, 134556, 168195, 201834, 224260, 336390, 403668, 504585, 672780, 683993, 1009170, 1367986, 2018340, 2051979, 2735972, 3419965, 4103958, 6155937, 6839930, 8207916, 10259895, 12311874, 13679860, 20519790, 24623748, 30779685, 41039580, 61559370, 123118740]

約数ペア:

[(1, 123118740), (2, 61559370), (3, 41039580), (4, 30779685), (5, 24623748), (6, 20519790), (9, 13679860), (10, 12311874), (12, 10259895), (15, 8207916), (18, 6839930), (20, 6155937), (30, 4103958), (36, 3419965), (45, 2735972), (60, 2051979), (61, 2018340), (90, 1367986), (122, 1009170), (180, 683993), (183, 672780), (244, 504585), (305, 403668), (366, 336390), (549, 224260), (610, 201834), (732, 168195), (915, 134556), (1098, 112130), (1220, 100917), (1830, 67278), (2196, 56065), (2745, 44852), (3660, 33639), (5490, 22426), (10980, 11213)]