217218840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1987}}^1$

素因数の和:2912

約数の個数: 64

約数和(自身を含む): 652700160

約数和(自身を除く): 435481320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 911, 1822, 1987, 2733, 3644, 3974, 4555, 5466, 5961, 7288, 7948, 9110, 9935, 10932, 11922, 13665, 15896, 18220, 19870, 21864, 23844, 27330, 29805, 36440, 39740, 47688, 54660, 59610, 79480, 109320, 119220, 238440, 1810157, 3620314, 5430471, 7240628, 9050785, 10860942, 14481256, 18101570, 21721884, 27152355, 36203140, 43443768, 54304710, 72406280, 108609420, 217218840]

約数ペア:

[(1, 217218840), (2, 108609420), (3, 72406280), (4, 54304710), (5, 43443768), (6, 36203140), (8, 27152355), (10, 21721884), (12, 18101570), (15, 14481256), (20, 10860942), (24, 9050785), (30, 7240628), (40, 5430471), (60, 3620314), (120, 1810157), (911, 238440), (1822, 119220), (1987, 109320), (2733, 79480), (3644, 59610), (3974, 54660), (4555, 47688), (5466, 39740), (5961, 36440), (7288, 29805), (7948, 27330), (9110, 23844), (9935, 21864), (10932, 19870), (11922, 18220), (13665, 15896)]