19895400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{1579}}^1$

素因数の和:1608

約数の個数: 144

約数和(自身を含む): 76408800

約数和(自身を除く): 56513400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1579, 1800, 2100, 2520, 3150, 3158, 4200, 4737, 6300, 6316, 7895, 9474, 11053, 12600, 12632, 14211, 15790, 18948, 22106, 23685, 28422, 31580, 33159, 37896, 39475, 44212, 47370, 55265, 56844, 63160, 66318, 71055, 78950, 88424, 94740, 99477, 110530, 113688, 118425, 132636, 142110, 157900, 165795, 189480, 198954, 221060, 236850, 265272, 276325, 284220, 315800, 331590, 355275, 397908, 442120, 473700, 497385, 552650, 568440, 663180, 710550, 795816, 828975, 947400, 994770, 1105300, 1326360, 1421100, 1657950, 1989540, 2210600, 2486925, 2842200, 3315900, 3979080, 4973850, 6631800, 9947700, 19895400]

約数ペア:

[(1, 19895400), (2, 9947700), (3, 6631800), (4, 4973850), (5, 3979080), (6, 3315900), (7, 2842200), (8, 2486925), (9, 2210600), (10, 1989540), (12, 1657950), (14, 1421100), (15, 1326360), (18, 1105300), (20, 994770), (21, 947400), (24, 828975), (25, 795816), (28, 710550), (30, 663180), (35, 568440), (36, 552650), (40, 497385), (42, 473700), (45, 442120), (50, 397908), (56, 355275), (60, 331590), (63, 315800), (70, 284220), (72, 276325), (75, 265272), (84, 236850), (90, 221060), (100, 198954), (105, 189480), (120, 165795), (126, 157900), (140, 142110), (150, 132636), (168, 118425), (175, 113688), (180, 110530), (200, 99477), (210, 94740), (225, 88424), (252, 78950), (280, 71055), (300, 66318), (315, 63160), (350, 56844), (360, 55265), (420, 47370), (450, 44212), (504, 39475), (525, 37896), (600, 33159), (630, 31580), (700, 28422), (840, 23685), (900, 22106), (1050, 18948), (1260, 15790), (1400, 14211), (1575, 12632), (1579, 12600), (1800, 11053), (2100, 9474), (2520, 7895), (3150, 6316), (3158, 6300), (4200, 4737)]