64587320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{919}}^1$

素因数の和:1188

約数の個数: 64

約数和(自身を含む): 166924800

約数和(自身を除く): 102337480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 251, 280, 502, 919, 1004, 1255, 1757, 1838, 2008, 2510, 3514, 3676, 4595, 5020, 6433, 7028, 7352, 8785, 9190, 10040, 12866, 14056, 17570, 18380, 25732, 32165, 35140, 36760, 51464, 64330, 70280, 128660, 230669, 257320, 461338, 922676, 1153345, 1614683, 1845352, 2306690, 3229366, 4613380, 6458732, 8073415, 9226760, 12917464, 16146830, 32293660, 64587320]

約数ペア:

[(1, 64587320), (2, 32293660), (4, 16146830), (5, 12917464), (7, 9226760), (8, 8073415), (10, 6458732), (14, 4613380), (20, 3229366), (28, 2306690), (35, 1845352), (40, 1614683), (56, 1153345), (70, 922676), (140, 461338), (251, 257320), (280, 230669), (502, 128660), (919, 70280), (1004, 64330), (1255, 51464), (1757, 36760), (1838, 35140), (2008, 32165), (2510, 25732), (3514, 18380), (3676, 17570), (4595, 14056), (5020, 12866), (6433, 10040), (7028, 9190), (7352, 8785)]