66381560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{619}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 171417600

約数和(自身を除く): 105036040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 619, 766, 1238, 1532, 1915, 2476, 2681, 3064, 3095, 3830, 4333, 4952, 5362, 6190, 7660, 8666, 10724, 12380, 13405, 15320, 17332, 21448, 21665, 24760, 26810, 34664, 43330, 53620, 86660, 107240, 173320, 237077, 474154, 948308, 1185385, 1659539, 1896616, 2370770, 3319078, 4741540, 6638156, 8297695, 9483080, 13276312, 16595390, 33190780, 66381560]

約数ペア:

[(1, 66381560), (2, 33190780), (4, 16595390), (5, 13276312), (7, 9483080), (8, 8297695), (10, 6638156), (14, 4741540), (20, 3319078), (28, 2370770), (35, 1896616), (40, 1659539), (56, 1185385), (70, 948308), (140, 474154), (280, 237077), (383, 173320), (619, 107240), (766, 86660), (1238, 53620), (1532, 43330), (1915, 34664), (2476, 26810), (2681, 24760), (3064, 21665), (3095, 21448), (3830, 17332), (4333, 15320), (4952, 13405), (5362, 12380), (6190, 10724), (7660, 8666)]