78398460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1447}}^1$

素因数の和:1512

約数の個数: 144

約数和(自身を含む): 278294016

約数和(自身を除く): 199895556

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1447, 1505, 1548, 1806, 1935, 2580, 2709, 2894, 3010, 3612, 3870, 4341, 4515, 5418, 5788, 6020, 7235, 7740, 8682, 9030, 10129, 10836, 13023, 13545, 14470, 17364, 18060, 20258, 21705, 26046, 27090, 28940, 30387, 40516, 43410, 50645, 52092, 54180, 60774, 62221, 65115, 86820, 91161, 101290, 121548, 124442, 130230, 151935, 182322, 186663, 202580, 248884, 260460, 303870, 311105, 364644, 373326, 435547, 455805, 559989, 607740, 622210, 746652, 871094, 911610, 933315, 1119978, 1244420, 1306641, 1742188, 1823220, 1866630, 2177735, 2239956, 2613282, 2799945, 3733260, 3919923, 4355470, 5226564, 5599890, 6533205, 7839846, 8710940, 11199780, 13066410, 15679692, 19599615, 26132820, 39199230, 78398460]

約数ペア:

[(1, 78398460), (2, 39199230), (3, 26132820), (4, 19599615), (5, 15679692), (6, 13066410), (7, 11199780), (9, 8710940), (10, 7839846), (12, 6533205), (14, 5599890), (15, 5226564), (18, 4355470), (20, 3919923), (21, 3733260), (28, 2799945), (30, 2613282), (35, 2239956), (36, 2177735), (42, 1866630), (43, 1823220), (45, 1742188), (60, 1306641), (63, 1244420), (70, 1119978), (84, 933315), (86, 911610), (90, 871094), (105, 746652), (126, 622210), (129, 607740), (140, 559989), (172, 455805), (180, 435547), (210, 373326), (215, 364644), (252, 311105), (258, 303870), (301, 260460), (315, 248884), (387, 202580), (420, 186663), (430, 182322), (516, 151935), (602, 130230), (630, 124442), (645, 121548), (774, 101290), (860, 91161), (903, 86820), (1204, 65115), (1260, 62221), (1290, 60774), (1447, 54180), (1505, 52092), (1548, 50645), (1806, 43410), (1935, 40516), (2580, 30387), (2709, 28940), (2894, 27090), (3010, 26046), (3612, 21705), (3870, 20258), (4341, 18060), (4515, 17364), (5418, 14470), (5788, 13545), (6020, 13023), (7235, 10836), (7740, 10129), (8682, 9030)]