204874320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{121949}}^1$

素因数の和:121972

約数の個数: 80

約数和(自身を含む): 725846400

約数和(自身を除く): 520972080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 121949, 243898, 365847, 487796, 609745, 731694, 853643, 975592, 1219490, 1463388, 1707286, 1829235, 1951184, 2438980, 2560929, 2926776, 3414572, 3658470, 4268215, 4877960, 5121858, 5853552, 6829144, 7316940, 8536430, 9755920, 10243716, 12804645, 13658288, 14633880, 17072860, 20487432, 25609290, 29267760, 34145720, 40974864, 51218580, 68291440, 102437160, 204874320]

約数ペア:

[(1, 204874320), (2, 102437160), (3, 68291440), (4, 51218580), (5, 40974864), (6, 34145720), (7, 29267760), (8, 25609290), (10, 20487432), (12, 17072860), (14, 14633880), (15, 13658288), (16, 12804645), (20, 10243716), (21, 9755920), (24, 8536430), (28, 7316940), (30, 6829144), (35, 5853552), (40, 5121858), (42, 4877960), (48, 4268215), (56, 3658470), (60, 3414572), (70, 2926776), (80, 2560929), (84, 2438980), (105, 1951184), (112, 1829235), (120, 1707286), (140, 1463388), (168, 1219490), (210, 975592), (240, 853643), (280, 731694), (336, 609745), (420, 487796), (560, 365847), (840, 243898), (1680, 121949)]