13645040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 34283520

約数和(自身を除く): 20638480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 191, 235, 304, 376, 380, 382, 470, 752, 760, 764, 893, 940, 955, 1520, 1528, 1786, 1880, 1910, 3056, 3572, 3629, 3760, 3820, 4465, 7144, 7258, 7640, 8930, 8977, 14288, 14516, 15280, 17860, 17954, 18145, 29032, 35720, 35908, 36290, 44885, 58064, 71440, 71816, 72580, 89770, 143632, 145160, 170563, 179540, 290320, 341126, 359080, 682252, 718160, 852815, 1364504, 1705630, 2729008, 3411260, 6822520, 13645040]

約数ペア:

[(1, 13645040), (2, 6822520), (4, 3411260), (5, 2729008), (8, 1705630), (10, 1364504), (16, 852815), (19, 718160), (20, 682252), (38, 359080), (40, 341126), (47, 290320), (76, 179540), (80, 170563), (94, 145160), (95, 143632), (152, 89770), (188, 72580), (190, 71816), (191, 71440), (235, 58064), (304, 44885), (376, 36290), (380, 35908), (382, 35720), (470, 29032), (752, 18145), (760, 17954), (764, 17860), (893, 15280), (940, 14516), (955, 14288), (1520, 8977), (1528, 8930), (1786, 7640), (1880, 7258), (1910, 7144), (3056, 4465), (3572, 3820), (3629, 3760)]