49415280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2118

約数の個数: 80

約数和(自身を含む): 154752000

約数和(自身を除く): 105336720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1648, 1999, 2060, 2472, 3090, 3998, 4120, 4944, 5997, 6180, 7996, 8240, 9995, 11994, 12360, 15992, 19990, 23988, 24720, 29985, 31984, 39980, 47976, 59970, 79960, 95952, 119940, 159920, 205897, 239880, 411794, 479760, 617691, 823588, 1029485, 1235382, 1647176, 2058970, 2470764, 3088455, 3294352, 4117940, 4941528, 6176910, 8235880, 9883056, 12353820, 16471760, 24707640, 49415280]

約数ペア:

[(1, 49415280), (2, 24707640), (3, 16471760), (4, 12353820), (5, 9883056), (6, 8235880), (8, 6176910), (10, 4941528), (12, 4117940), (15, 3294352), (16, 3088455), (20, 2470764), (24, 2058970), (30, 1647176), (40, 1235382), (48, 1029485), (60, 823588), (80, 617691), (103, 479760), (120, 411794), (206, 239880), (240, 205897), (309, 159920), (412, 119940), (515, 95952), (618, 79960), (824, 59970), (1030, 47976), (1236, 39980), (1545, 31984), (1648, 29985), (1999, 24720), (2060, 23988), (2472, 19990), (3090, 15992), (3998, 12360), (4120, 11994), (4944, 9995), (5997, 8240), (6180, 7996)]