20302800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{2417}}^1$

素因数の和:2445

約数の個数: 120

約数和(自身を含む): 74358336

約数和(自身を除く): 54055536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2417, 2800, 4200, 4834, 7251, 8400, 9668, 12085, 14502, 16919, 19336, 24170, 29004, 33838, 36255, 38672, 48340, 50757, 58008, 60425, 67676, 72510, 84595, 96680, 101514, 116016, 120850, 135352, 145020, 169190, 181275, 193360, 203028, 241700, 253785, 270704, 290040, 338380, 362550, 406056, 422975, 483400, 507570, 580080, 676760, 725100, 812112, 845950, 966800, 1015140, 1268925, 1353520, 1450200, 1691900, 2030280, 2537850, 2900400, 3383800, 4060560, 5075700, 6767600, 10151400, 20302800]

約数ペア:

[(1, 20302800), (2, 10151400), (3, 6767600), (4, 5075700), (5, 4060560), (6, 3383800), (7, 2900400), (8, 2537850), (10, 2030280), (12, 1691900), (14, 1450200), (15, 1353520), (16, 1268925), (20, 1015140), (21, 966800), (24, 845950), (25, 812112), (28, 725100), (30, 676760), (35, 580080), (40, 507570), (42, 483400), (48, 422975), (50, 406056), (56, 362550), (60, 338380), (70, 290040), (75, 270704), (80, 253785), (84, 241700), (100, 203028), (105, 193360), (112, 181275), (120, 169190), (140, 145020), (150, 135352), (168, 120850), (175, 116016), (200, 101514), (210, 96680), (240, 84595), (280, 72510), (300, 67676), (336, 60425), (350, 58008), (400, 50757), (420, 48340), (525, 38672), (560, 36255), (600, 33838), (700, 29004), (840, 24170), (1050, 19336), (1200, 16919), (1400, 14502), (1680, 12085), (2100, 9668), (2417, 8400), (2800, 7251), (4200, 4834)]