400695120

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{26501}}^1$

素因数の和:26530

約数の個数: 160

約数和(自身を含む): 1577399040

約数和(自身を除く): 1176703920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 26501, 53002, 79503, 106004, 132505, 159006, 185507, 212008, 238509, 265010, 318012, 371014, 397515, 424016, 477018, 530020, 556521, 636024, 715527, 742028, 795030, 927535, 954036, 1060040, 1113042, 1192545, 1272048, 1431054, 1484056, 1590060, 1669563, 1855070, 1908072, 2120080, 2226084, 2385090, 2782605, 2862108, 2968112, 3180120, 3339126, 3577635, 3710140, 3816144, 4452168, 4770180, 5008689, 5565210, 5724216, 6360240, 6678252, 7155270, 7420280, 8347815, 8904336, 9540360, 10017378, 11130420, 11448432, 13356504, 14310540, 14840560, 16695630, 19080720, 20034756, 22260840, 25043445, 26713008, 28621080, 33391260, 40069512, 44521680, 50086890, 57242160, 66782520, 80139024, 100173780, 133565040, 200347560, 400695120]

約数ペア:

[(1, 400695120), (2, 200347560), (3, 133565040), (4, 100173780), (5, 80139024), (6, 66782520), (7, 57242160), (8, 50086890), (9, 44521680), (10, 40069512), (12, 33391260), (14, 28621080), (15, 26713008), (16, 25043445), (18, 22260840), (20, 20034756), (21, 19080720), (24, 16695630), (27, 14840560), (28, 14310540), (30, 13356504), (35, 11448432), (36, 11130420), (40, 10017378), (42, 9540360), (45, 8904336), (48, 8347815), (54, 7420280), (56, 7155270), (60, 6678252), (63, 6360240), (70, 5724216), (72, 5565210), (80, 5008689), (84, 4770180), (90, 4452168), (105, 3816144), (108, 3710140), (112, 3577635), (120, 3339126), (126, 3180120), (135, 2968112), (140, 2862108), (144, 2782605), (168, 2385090), (180, 2226084), (189, 2120080), (210, 1908072), (216, 1855070), (240, 1669563), (252, 1590060), (270, 1484056), (280, 1431054), (315, 1272048), (336, 1192545), (360, 1113042), (378, 1060040), (420, 954036), (432, 927535), (504, 795030), (540, 742028), (560, 715527), (630, 636024), (720, 556521), (756, 530020), (840, 477018), (945, 424016), (1008, 397515), (1080, 371014), (1260, 318012), (1512, 265010), (1680, 238509), (1890, 212008), (2160, 185507), (2520, 159006), (3024, 132505), (3780, 106004), (5040, 79503), (7560, 53002), (15120, 26501)]