42681520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:602

約数の個数: 80

約数和(自身を含む): 114278400

約数和(自身を除く): 71596880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 383, 398, 560, 766, 796, 995, 1393, 1532, 1592, 1915, 1990, 2681, 2786, 3064, 3184, 3830, 3980, 5362, 5572, 6128, 6965, 7660, 7960, 10724, 11144, 13405, 13930, 15320, 15920, 21448, 22288, 26810, 27860, 30640, 42896, 53620, 55720, 76217, 107240, 111440, 152434, 214480, 304868, 381085, 533519, 609736, 762170, 1067038, 1219472, 1524340, 2134076, 2667595, 3048680, 4268152, 5335190, 6097360, 8536304, 10670380, 21340760, 42681520]

約数ペア:

[(1, 42681520), (2, 21340760), (4, 10670380), (5, 8536304), (7, 6097360), (8, 5335190), (10, 4268152), (14, 3048680), (16, 2667595), (20, 2134076), (28, 1524340), (35, 1219472), (40, 1067038), (56, 762170), (70, 609736), (80, 533519), (112, 381085), (140, 304868), (199, 214480), (280, 152434), (383, 111440), (398, 107240), (560, 76217), (766, 55720), (796, 53620), (995, 42896), (1393, 30640), (1532, 27860), (1592, 26810), (1915, 22288), (1990, 21448), (2681, 15920), (2786, 15320), (3064, 13930), (3184, 13405), (3830, 11144), (3980, 10724), (5362, 7960), (5572, 7660), (6128, 6965)]