64451240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{601}}^1$

素因数の和:1002

約数の個数: 64

約数和(自身を含む): 166440960

約数和(自身を除く): 101989720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 601, 766, 1202, 1532, 1915, 2404, 2681, 3005, 3064, 3830, 4207, 4808, 5362, 6010, 7660, 8414, 10724, 12020, 13405, 15320, 16828, 21035, 21448, 24040, 26810, 33656, 42070, 53620, 84140, 107240, 168280, 230183, 460366, 920732, 1150915, 1611281, 1841464, 2301830, 3222562, 4603660, 6445124, 8056405, 9207320, 12890248, 16112810, 32225620, 64451240]

約数ペア:

[(1, 64451240), (2, 32225620), (4, 16112810), (5, 12890248), (7, 9207320), (8, 8056405), (10, 6445124), (14, 4603660), (20, 3222562), (28, 2301830), (35, 1841464), (40, 1611281), (56, 1150915), (70, 920732), (140, 460366), (280, 230183), (383, 168280), (601, 107240), (766, 84140), (1202, 53620), (1532, 42070), (1915, 33656), (2404, 26810), (2681, 24040), (3005, 21448), (3064, 21035), (3830, 16828), (4207, 15320), (4808, 13405), (5362, 12020), (6010, 10724), (7660, 8414)]