28037520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{5563}}^1$

素因数の和:5589

約数の個数: 120

約数和(自身を含む): 107630016

約数和(自身を除く): 79592496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 5563, 11126, 16689, 22252, 27815, 33378, 38941, 44504, 50067, 55630, 66756, 77882, 83445, 89008, 100134, 111260, 116823, 133512, 155764, 166890, 194705, 200268, 222520, 233646, 250335, 267024, 311528, 333780, 350469, 389410, 400536, 445040, 467292, 500670, 584115, 623056, 667560, 700938, 778820, 801072, 934584, 1001340, 1168230, 1335120, 1401876, 1557640, 1752345, 1869168, 2002680, 2336460, 2803752, 3115280, 3504690, 4005360, 4672920, 5607504, 7009380, 9345840, 14018760, 28037520]

約数ペア:

[(1, 28037520), (2, 14018760), (3, 9345840), (4, 7009380), (5, 5607504), (6, 4672920), (7, 4005360), (8, 3504690), (9, 3115280), (10, 2803752), (12, 2336460), (14, 2002680), (15, 1869168), (16, 1752345), (18, 1557640), (20, 1401876), (21, 1335120), (24, 1168230), (28, 1001340), (30, 934584), (35, 801072), (36, 778820), (40, 700938), (42, 667560), (45, 623056), (48, 584115), (56, 500670), (60, 467292), (63, 445040), (70, 400536), (72, 389410), (80, 350469), (84, 333780), (90, 311528), (105, 267024), (112, 250335), (120, 233646), (126, 222520), (140, 200268), (144, 194705), (168, 166890), (180, 155764), (210, 133512), (240, 116823), (252, 111260), (280, 100134), (315, 89008), (336, 83445), (360, 77882), (420, 66756), (504, 55630), (560, 50067), (630, 44504), (720, 38941), (840, 33378), (1008, 27815), (1260, 22252), (1680, 16689), (2520, 11126), (5040, 5563)]