20176800

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1201}}^1$

素因数の和:1231

約数の個数: 144

約数和(自身を含む): 75120192

約数和(自身を除く): 54943392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1201, 1400, 1680, 2100, 2400, 2402, 2800, 3360, 3603, 4200, 4804, 5600, 6005, 7206, 8400, 8407, 9608, 12010, 14412, 16800, 16814, 18015, 19216, 24020, 25221, 28824, 30025, 33628, 36030, 38432, 42035, 48040, 50442, 57648, 60050, 67256, 72060, 84070, 90075, 96080, 100884, 115296, 120100, 126105, 134512, 144120, 168140, 180150, 192160, 201768, 210175, 240200, 252210, 269024, 288240, 336280, 360300, 403536, 420350, 480400, 504420, 576480, 630525, 672560, 720600, 807072, 840700, 960800, 1008840, 1261050, 1345120, 1441200, 1681400, 2017680, 2522100, 2882400, 3362800, 4035360, 5044200, 6725600, 10088400, 20176800]

約数ペア:

[(1, 20176800), (2, 10088400), (3, 6725600), (4, 5044200), (5, 4035360), (6, 3362800), (7, 2882400), (8, 2522100), (10, 2017680), (12, 1681400), (14, 1441200), (15, 1345120), (16, 1261050), (20, 1008840), (21, 960800), (24, 840700), (25, 807072), (28, 720600), (30, 672560), (32, 630525), (35, 576480), (40, 504420), (42, 480400), (48, 420350), (50, 403536), (56, 360300), (60, 336280), (70, 288240), (75, 269024), (80, 252210), (84, 240200), (96, 210175), (100, 201768), (105, 192160), (112, 180150), (120, 168140), (140, 144120), (150, 134512), (160, 126105), (168, 120100), (175, 115296), (200, 100884), (210, 96080), (224, 90075), (240, 84070), (280, 72060), (300, 67256), (336, 60050), (350, 57648), (400, 50442), (420, 48040), (480, 42035), (525, 38432), (560, 36030), (600, 33628), (672, 30025), (700, 28824), (800, 25221), (840, 24020), (1050, 19216), (1120, 18015), (1200, 16814), (1201, 16800), (1400, 14412), (1680, 12010), (2100, 9608), (2400, 8407), (2402, 8400), (2800, 7206), (3360, 6005), (3603, 5600), (4200, 4804)]