8721372520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{510619}}^1$

素因数の和:510698

約数の個数: 64

約数和(自身を含む): 22794076800

約数和(自身を除く): 14072704280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8540, 17080, 510619, 1021238, 2042476, 2553095, 3574333, 4084952, 5106190, 7148666, 10212380, 14297332, 17871665, 20424760, 28594664, 31147759, 35743330, 62295518, 71486660, 124591036, 142973320, 155738795, 218034313, 249182072, 311477590, 436068626, 622955180, 872137252, 1090171565, 1245910360, 1744274504, 2180343130, 4360686260, 8721372520]

約数ペア:

[(1, 8721372520), (2, 4360686260), (4, 2180343130), (5, 1744274504), (7, 1245910360), (8, 1090171565), (10, 872137252), (14, 622955180), (20, 436068626), (28, 311477590), (35, 249182072), (40, 218034313), (56, 155738795), (61, 142973320), (70, 124591036), (122, 71486660), (140, 62295518), (244, 35743330), (280, 31147759), (305, 28594664), (427, 20424760), (488, 17871665), (610, 14297332), (854, 10212380), (1220, 7148666), (1708, 5106190), (2135, 4084952), (2440, 3574333), (3416, 2553095), (4270, 2042476), (8540, 1021238), (17080, 510619)]