27828080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 78030720

約数和(自身を除く): 50202640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 229, 245, 248, 280, 310, 392, 434, 458, 490, 496, 560, 620, 784, 868, 916, 980, 1085, 1145, 1240, 1519, 1603, 1736, 1832, 1960, 2170, 2290, 2480, 3038, 3206, 3472, 3664, 3920, 4340, 4580, 6076, 6412, 7099, 7595, 8015, 8680, 9160, 11221, 12152, 12824, 14198, 15190, 16030, 17360, 18320, 22442, 24304, 25648, 28396, 30380, 32060, 35495, 44884, 49693, 56105, 56792, 60760, 64120, 70990, 89768, 99386, 112210, 113584, 121520, 128240, 141980, 179536, 198772, 224420, 248465, 283960, 347851, 397544, 448840, 496930, 567920, 695702, 795088, 897680, 993860, 1391404, 1739255, 1987720, 2782808, 3478510, 3975440, 5565616, 6957020, 13914040, 27828080]

約数ペア:

[(1, 27828080), (2, 13914040), (4, 6957020), (5, 5565616), (7, 3975440), (8, 3478510), (10, 2782808), (14, 1987720), (16, 1739255), (20, 1391404), (28, 993860), (31, 897680), (35, 795088), (40, 695702), (49, 567920), (56, 496930), (62, 448840), (70, 397544), (80, 347851), (98, 283960), (112, 248465), (124, 224420), (140, 198772), (155, 179536), (196, 141980), (217, 128240), (229, 121520), (245, 113584), (248, 112210), (280, 99386), (310, 89768), (392, 70990), (434, 64120), (458, 60760), (490, 56792), (496, 56105), (560, 49693), (620, 44884), (784, 35495), (868, 32060), (916, 30380), (980, 28396), (1085, 25648), (1145, 24304), (1240, 22442), (1519, 18320), (1603, 17360), (1736, 16030), (1832, 15190), (1960, 14198), (2170, 12824), (2290, 12152), (2480, 11221), (3038, 9160), (3206, 8680), (3472, 8015), (3664, 7595), (3920, 7099), (4340, 6412), (4580, 6076)]