1897560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{251}}^1$

素因数の和:278

約数の個数: 128

約数和(自身を含む): 7257600

約数和(自身を除く): 5360040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 251, 252, 270, 280, 315, 360, 378, 420, 502, 504, 540, 630, 753, 756, 840, 945, 1004, 1080, 1255, 1260, 1506, 1512, 1757, 1890, 2008, 2259, 2510, 2520, 3012, 3514, 3765, 3780, 4518, 5020, 5271, 6024, 6777, 7028, 7530, 7560, 8785, 9036, 10040, 10542, 11295, 13554, 14056, 15060, 15813, 17570, 18072, 21084, 22590, 26355, 27108, 30120, 31626, 33885, 35140, 42168, 45180, 47439, 52710, 54216, 63252, 67770, 70280, 79065, 90360, 94878, 105420, 126504, 135540, 158130, 189756, 210840, 237195, 271080, 316260, 379512, 474390, 632520, 948780, 1897560]

約数ペア:

[(1, 1897560), (2, 948780), (3, 632520), (4, 474390), (5, 379512), (6, 316260), (7, 271080), (8, 237195), (9, 210840), (10, 189756), (12, 158130), (14, 135540), (15, 126504), (18, 105420), (20, 94878), (21, 90360), (24, 79065), (27, 70280), (28, 67770), (30, 63252), (35, 54216), (36, 52710), (40, 47439), (42, 45180), (45, 42168), (54, 35140), (56, 33885), (60, 31626), (63, 30120), (70, 27108), (72, 26355), (84, 22590), (90, 21084), (105, 18072), (108, 17570), (120, 15813), (126, 15060), (135, 14056), (140, 13554), (168, 11295), (180, 10542), (189, 10040), (210, 9036), (216, 8785), (251, 7560), (252, 7530), (270, 7028), (280, 6777), (315, 6024), (360, 5271), (378, 5020), (420, 4518), (502, 3780), (504, 3765), (540, 3514), (630, 3012), (753, 2520), (756, 2510), (840, 2259), (945, 2008), (1004, 1890), (1080, 1757), (1255, 1512), (1260, 1506)]