131224240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7559}}^1$

素因数の和:7610

約数の個数: 80

約数和(自身を含む): 359976960

約数和(自身を除く): 228752720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 7559, 8680, 15118, 17360, 30236, 37795, 52913, 60472, 75590, 105826, 120944, 151180, 211652, 234329, 264565, 302360, 423304, 468658, 529130, 604720, 846608, 937316, 1058260, 1171645, 1640303, 1874632, 2116520, 2343290, 3280606, 3749264, 4233040, 4686580, 6561212, 8201515, 9373160, 13122424, 16403030, 18746320, 26244848, 32806060, 65612120, 131224240]

約数ペア:

[(1, 131224240), (2, 65612120), (4, 32806060), (5, 26244848), (7, 18746320), (8, 16403030), (10, 13122424), (14, 9373160), (16, 8201515), (20, 6561212), (28, 4686580), (31, 4233040), (35, 3749264), (40, 3280606), (56, 2343290), (62, 2116520), (70, 1874632), (80, 1640303), (112, 1171645), (124, 1058260), (140, 937316), (155, 846608), (217, 604720), (248, 529130), (280, 468658), (310, 423304), (434, 302360), (496, 264565), (560, 234329), (620, 211652), (868, 151180), (1085, 120944), (1240, 105826), (1736, 75590), (2170, 60472), (2480, 52913), (3472, 37795), (4340, 30236), (7559, 17360), (8680, 15118)]