64340920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1931}}^1$

素因数の和:1973

約数の個数: 96

約数和(自身を含む): 178400880

約数和(自身を除く): 114059960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 392, 476, 490, 595, 680, 833, 952, 980, 1190, 1666, 1931, 1960, 2380, 3332, 3862, 4165, 4760, 6664, 7724, 8330, 9655, 13517, 15448, 16660, 19310, 27034, 32827, 33320, 38620, 54068, 65654, 67585, 77240, 94619, 108136, 131308, 135170, 164135, 189238, 229789, 262616, 270340, 328270, 378476, 459578, 473095, 540680, 656540, 756952, 919156, 946190, 1148945, 1313080, 1608523, 1838312, 1892380, 2297890, 3217046, 3784760, 4595780, 6434092, 8042615, 9191560, 12868184, 16085230, 32170460, 64340920]

約数ペア:

[(1, 64340920), (2, 32170460), (4, 16085230), (5, 12868184), (7, 9191560), (8, 8042615), (10, 6434092), (14, 4595780), (17, 3784760), (20, 3217046), (28, 2297890), (34, 1892380), (35, 1838312), (40, 1608523), (49, 1313080), (56, 1148945), (68, 946190), (70, 919156), (85, 756952), (98, 656540), (119, 540680), (136, 473095), (140, 459578), (170, 378476), (196, 328270), (238, 270340), (245, 262616), (280, 229789), (340, 189238), (392, 164135), (476, 135170), (490, 131308), (595, 108136), (680, 94619), (833, 77240), (952, 67585), (980, 65654), (1190, 54068), (1666, 38620), (1931, 33320), (1960, 32827), (2380, 27034), (3332, 19310), (3862, 16660), (4165, 15448), (4760, 13517), (6664, 9655), (7724, 8330)]