2489639280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{79187}}^1$

素因数の和:79334

約数の個数: 80

約数和(自身を含む): 7776895104

約数和(自身を除く): 5287255824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 5240, 6288, 7860, 10480, 15720, 31440, 79187, 158374, 237561, 316748, 395935, 475122, 633496, 791870, 950244, 1187805, 1266992, 1583740, 1900488, 2375610, 3167480, 3800976, 4751220, 6334960, 9502440, 10373497, 19004880, 20746994, 31120491, 41493988, 51867485, 62240982, 82987976, 103734970, 124481964, 155602455, 165975952, 207469940, 248963928, 311204910, 414939880, 497927856, 622409820, 829879760, 1244819640, 2489639280]

約数ペア:

[(1, 2489639280), (2, 1244819640), (3, 829879760), (4, 622409820), (5, 497927856), (6, 414939880), (8, 311204910), (10, 248963928), (12, 207469940), (15, 165975952), (16, 155602455), (20, 124481964), (24, 103734970), (30, 82987976), (40, 62240982), (48, 51867485), (60, 41493988), (80, 31120491), (120, 20746994), (131, 19004880), (240, 10373497), (262, 9502440), (393, 6334960), (524, 4751220), (655, 3800976), (786, 3167480), (1048, 2375610), (1310, 1900488), (1572, 1583740), (1965, 1266992), (2096, 1187805), (2620, 950244), (3144, 791870), (3930, 633496), (5240, 475122), (6288, 395935), (7860, 316748), (10480, 237561), (15720, 158374), (31440, 79187)]