1908763920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{126241}}^1$

素因数の和:126270

約数の個数: 160

約数和(自身を含む): 7513923840

約数和(自身を除く): 5605159920

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, 126241, 252482, 378723, 504964, 631205, 757446, 883687, 1009928, 1136169, 1262410, 1514892, 1767374, 1893615, 2019856, 2272338, 2524820, 2651061, 3029784, 3408507, 3534748, 3787230, 4418435, 4544676, 5049640, 5302122, 5680845, 6059568, 6817014, 7069496, 7574460, 7953183, 8836870, 9089352, 10099280, 10604244, 11361690, 13255305, 13634028, 14138992, 15148920, 15906366, 17042535, 17673740, 18178704, 21208488, 22723380, 23859549, 26510610, 27268056, 30297840, 31812732, 34085070, 35347480, 39765915, 42416976, 45446760, 47719098, 53021220, 54536112, 63625464, 68170140, 70694960, 79531830, 90893520, 95438196, 106042440, 119297745, 127250928, 136340280, 159063660, 190876392, 212084880, 238595490, 272680560, 318127320, 381752784, 477190980, 636254640, 954381960, 1908763920]

約数ペア:

[(1, 1908763920), (2, 954381960), (3, 636254640), (4, 477190980), (5, 381752784), (6, 318127320), (7, 272680560), (8, 238595490), (9, 212084880), (10, 190876392), (12, 159063660), (14, 136340280), (15, 127250928), (16, 119297745), (18, 106042440), (20, 95438196), (21, 90893520), (24, 79531830), (27, 70694960), (28, 68170140), (30, 63625464), (35, 54536112), (36, 53021220), (40, 47719098), (42, 45446760), (45, 42416976), (48, 39765915), (54, 35347480), (56, 34085070), (60, 31812732), (63, 30297840), (70, 27268056), (72, 26510610), (80, 23859549), (84, 22723380), (90, 21208488), (105, 18178704), (108, 17673740), (112, 17042535), (120, 15906366), (126, 15148920), (135, 14138992), (140, 13634028), (144, 13255305), (168, 11361690), (180, 10604244), (189, 10099280), (210, 9089352), (216, 8836870), (240, 7953183), (252, 7574460), (270, 7069496), (280, 6817014), (315, 6059568), (336, 5680845), (360, 5302122), (378, 5049640), (420, 4544676), (432, 4418435), (504, 3787230), (540, 3534748), (560, 3408507), (630, 3029784), (720, 2651061), (756, 2524820), (840, 2272338), (945, 2019856), (1008, 1893615), (1080, 1767374), (1260, 1514892), (1512, 1262410), (1680, 1136169), (1890, 1009928), (2160, 883687), (2520, 757446), (3024, 631205), (3780, 504964), (5040, 378723), (7560, 252482), (15120, 126241)]