28120680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11159}}^1$

素因数の和:11183

約数の個数: 96

約数和(自身を含む): 104457600

約数和(自身を除く): 76336920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 11159, 22318, 33477, 44636, 55795, 66954, 78113, 89272, 100431, 111590, 133908, 156226, 167385, 200862, 223180, 234339, 267816, 312452, 334770, 390565, 401724, 446360, 468678, 502155, 624904, 669540, 703017, 781130, 803448, 937356, 1004310, 1171695, 1339080, 1406034, 1562260, 1874712, 2008620, 2343390, 2812068, 3124520, 3515085, 4017240, 4686780, 5624136, 7030170, 9373560, 14060340, 28120680]

約数ペア:

[(1, 28120680), (2, 14060340), (3, 9373560), (4, 7030170), (5, 5624136), (6, 4686780), (7, 4017240), (8, 3515085), (9, 3124520), (10, 2812068), (12, 2343390), (14, 2008620), (15, 1874712), (18, 1562260), (20, 1406034), (21, 1339080), (24, 1171695), (28, 1004310), (30, 937356), (35, 803448), (36, 781130), (40, 703017), (42, 669540), (45, 624904), (56, 502155), (60, 468678), (63, 446360), (70, 401724), (72, 390565), (84, 334770), (90, 312452), (105, 267816), (120, 234339), (126, 223180), (140, 200862), (168, 167385), (180, 156226), (210, 133908), (252, 111590), (280, 100431), (315, 89272), (360, 78113), (420, 66954), (504, 55795), (630, 44636), (840, 33477), (1260, 22318), (2520, 11159)]