204881670

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2521}}^1$

素因数の和:2587

約数の個数: 128

約数和(自身を含む): 639175680

約数和(自身を除く): 434294010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 43, 45, 54, 63, 70, 86, 90, 105, 126, 129, 135, 189, 210, 215, 258, 270, 301, 315, 378, 387, 430, 602, 630, 645, 774, 903, 945, 1161, 1290, 1505, 1806, 1890, 1935, 2322, 2521, 2709, 3010, 3870, 4515, 5042, 5418, 5805, 7563, 8127, 9030, 11610, 12605, 13545, 15126, 16254, 17647, 22689, 25210, 27090, 35294, 37815, 40635, 45378, 52941, 68067, 75630, 81270, 88235, 105882, 108403, 113445, 136134, 158823, 176470, 216806, 226890, 264705, 317646, 325209, 340335, 476469, 529410, 542015, 650418, 680670, 758821, 794115, 952938, 975627, 1084030, 1517642, 1588230, 1626045, 1951254, 2276463, 2382345, 2926881, 3252090, 3794105, 4552926, 4764690, 4878135, 5853762, 6829389, 7588210, 9756270, 11382315, 13658778, 14634405, 20488167, 22764630, 29268810, 34146945, 40976334, 68293890, 102440835, 204881670]

約数ペア:

[(1, 204881670), (2, 102440835), (3, 68293890), (5, 40976334), (6, 34146945), (7, 29268810), (9, 22764630), (10, 20488167), (14, 14634405), (15, 13658778), (18, 11382315), (21, 9756270), (27, 7588210), (30, 6829389), (35, 5853762), (42, 4878135), (43, 4764690), (45, 4552926), (54, 3794105), (63, 3252090), (70, 2926881), (86, 2382345), (90, 2276463), (105, 1951254), (126, 1626045), (129, 1588230), (135, 1517642), (189, 1084030), (210, 975627), (215, 952938), (258, 794115), (270, 758821), (301, 680670), (315, 650418), (378, 542015), (387, 529410), (430, 476469), (602, 340335), (630, 325209), (645, 317646), (774, 264705), (903, 226890), (945, 216806), (1161, 176470), (1290, 158823), (1505, 136134), (1806, 113445), (1890, 108403), (1935, 105882), (2322, 88235), (2521, 81270), (2709, 75630), (3010, 68067), (3870, 52941), (4515, 45378), (5042, 40635), (5418, 37815), (5805, 35294), (7563, 27090), (8127, 25210), (9030, 22689), (11610, 17647), (12605, 16254), (13545, 15126)]