204660120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{243643}}^1$

素因数の和:243664

約数の個数: 64

約数和(自身を含む): 701694720

約数和(自身を除く): 497034600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 243643, 487286, 730929, 974572, 1218215, 1461858, 1705501, 1949144, 2436430, 2923716, 3411002, 3654645, 4872860, 5116503, 5847432, 6822004, 7309290, 8527505, 9745720, 10233006, 13644008, 14618580, 17055010, 20466012, 25582515, 29237160, 34110020, 40932024, 51165030, 68220040, 102330060, 204660120]

約数ペア:

[(1, 204660120), (2, 102330060), (3, 68220040), (4, 51165030), (5, 40932024), (6, 34110020), (7, 29237160), (8, 25582515), (10, 20466012), (12, 17055010), (14, 14618580), (15, 13644008), (20, 10233006), (21, 9745720), (24, 8527505), (28, 7309290), (30, 6822004), (35, 5847432), (40, 5116503), (42, 4872860), (56, 3654645), (60, 3411002), (70, 2923716), (84, 2436430), (105, 1949144), (120, 1705501), (140, 1461858), (168, 1218215), (210, 974572), (280, 730929), (420, 487286), (840, 243643)]