1230897520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{809801}}^1$

素因数の和:809833

約数の個数: 40

約数和(自身を含む): 3012463440

約数和(自身を除く): 1781565920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 809801, 1619602, 3239204, 4049005, 6478408, 8098010, 12956816, 15386219, 16196020, 30772438, 32392040, 61544876, 64784080, 76931095, 123089752, 153862190, 246179504, 307724380, 615448760, 1230897520]

約数ペア:

[(1, 1230897520), (2, 615448760), (4, 307724380), (5, 246179504), (8, 153862190), (10, 123089752), (16, 76931095), (19, 64784080), (20, 61544876), (38, 32392040), (40, 30772438), (76, 16196020), (80, 15386219), (95, 12956816), (152, 8098010), (190, 6478408), (304, 4049005), (380, 3239204), (760, 1619602), (1520, 809801)]